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Finding the Fourth Proportional to 108,628.92, 163,098.90 and 80,635.32

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Solution

The fourth proportional to 108,628.92, 163,098.90 and 80,635.32 is: 121,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628.92 : 163,098.90 = 80,635.32 : x
  2. Step 2: Convert to fraction form
    108,628.92/163,098.90 = 80,635.32/x
  3. Step 3: Cross multiply
    108,628.92x = 163,098.90 × 80,635.32
  4. Step 4: Simplify right side
    108,628.92x = 13,151,531,993.15
  5. Step 5: Solve for x
    x = 13,151,531,993.15/108,628.92
  6. Step 6: Final answer
    x = 121,068.42

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