The phrase 'dedication in supporting the' is grammatically correct and can be used in written English.
For example, you might use this phrase in a sentence such as, "I have shown dedication in supporting the proposed changes to the local school district."
"UNICEF salutes HSBC Malaysia for their commitment and dedication in supporting our vital programs and initiatives that will help meet the needs of children everywhere.
I also want to thank ALS Worldwide for their heroic dedication in supporting all of us.
BANGKOK, 30 March 2015 – Bijaya Rajbhandari, Representative for UNICEF Thailand presents a recognition plague to Nichkhun Horvejkul, a popular singer and a Friend of UNICEF for his dedication and hard work in supporting UNICEF for the promotion and protection of the rights of children over the last three years.
Such dedication in support is really amazing!
She also worked closely with the staff of the Sloan School to develop the Lemelson-MIT Prize, and to support the dedication of the Jack C. Tang Center for Management Education in April 1996.
Knowledge@Wharton: What are some things that you are most proud of in terms of his dedication to supporting women in Saudi society and your mother as well?
He talked of his family's dedication to supporting human rights in Turkey and the prison terms that generated.
I emphatically support the commitment, dedication and heart of every police officer, firefighter and EMS technician who works in Detroit.
"Pat's dedication to supporting young scholars in Contemporary Civilization is remarkable.
Lopez then discusses her surprise to the amount of fans she had and their dedication in "Fan Support".
This is not to say that there is not a huge market in need of projector rentals, it more accurately reflects the needed dedication of technical expertise in support of the equipment investment.
