Liberty Media Corporation reported fourth-quarter and year-end 2021 results, with results attributed to Liberty SiriusXM Group, Formula One Group, and Braves Group. Liberty SiriusXM reported fourth-quarter FY21 revenue growth of 4.2 percent year-on-year to $2.28 billion. The company reported a positive operating income of $450 million versus $(527) million a year back. Liberty SiriusXM’s adjusted OIBDA…