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Finding the Fourth Proportional to 93,432.12, 128,939.94 and 53,149.56

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Solution

The fourth proportional to 93,432.12, 128,939.94 and 53,149.56 is: 73,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,432.12 : 128,939.94 = 53,149.56 : x
  2. Step 2: Convert to fraction form
    93,432.12/128,939.94 = 53,149.56/x
  3. Step 3: Cross multiply
    93,432.12x = 128,939.94 × 53,149.56
  4. Step 4: Simplify right side
    93,432.12x = 6,853,101,077.43
  5. Step 5: Solve for x
    x = 6,853,101,077.43/93,432.12
  6. Step 6: Final answer
    x = 73,348.45

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