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Finding the Fourth Proportional to 168,431.24, 232,429.02 and 92,978.12

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Solution

The fourth proportional to 168,431.24, 232,429.02 and 92,978.12 is: 128,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,431.24 : 232,429.02 = 92,978.12 : x
  2. Step 2: Convert to fraction form
    168,431.24/232,429.02 = 92,978.12/x
  3. Step 3: Cross multiply
    168,431.24x = 232,429.02 × 92,978.12
  4. Step 4: Simplify right side
    168,431.24x = 21,610,813,313.04
  5. Step 5: Solve for x
    x = 21,610,813,313.04/168,431.24
  6. Step 6: Final answer
    x = 128,306.44

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