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The loss for each year is determined separately. The information you are providing for 2008 doesn't correspond to the percentage interests listed. There is probably additional information on Schedule M-1.
Also, while each shareholder is provided with their allocated loss, the deductible amount is limited due to the at risk rules.
Without additional funds loaned by a given shareholder the loss is suspended until there is basis or income. See Form 6198 and instructions, links below.