You should contact Support for exact input entry for your transaction.
What is the TurboTax phone number? (intuit.com)
Although you may be on the right track, I am not certain whether or not TurboTax Business handles your particular scenario properly without resorting to Forms Mode and, perhaps, overrides.
Further, the scenario appears to be complicated by the special allocation made to one partner. You should seek professional tax guidance, in person, if Support is unable to provide input instructions.
