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Finding the Fourth Proportional to 442,115.80, 663,173.70 and 109,691.80

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Solution

The fourth proportional to 442,115.80, 663,173.70 and 109,691.80 is: 164,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,115.80 : 663,173.70 = 109,691.80 : x
  2. Step 2: Convert to fraction form
    442,115.80/663,173.70 = 109,691.80/x
  3. Step 3: Cross multiply
    442,115.80x = 663,173.70 × 109,691.80
  4. Step 4: Simplify right side
    442,115.80x = 72,744,716,865.66
  5. Step 5: Solve for x
    x = 72,744,716,865.66/442,115.80
  6. Step 6: Final answer
    x = 164,537.70

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