(March 14, 2017, 12:38 PM EDT) -- WASHINGTON, D.C. — The government paid an arbitrary pro rata share of amounts due under the Patient Protection and Affordable Care Act (ACA) risk-corridor program, despite written admissions that it owes all $52,378,111.20, an insurer in various states alleges in a Jan. 23 complaint filed in the U.S. Court of Federal Claims (Molina Healthcare of California Inc., et al. v. The United States of America, No. 17-97, U.S. Fed. Clms.)....