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Finding the Fourth Proportional to 59,542.90, 89,336.16 and 42,921.70

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Solution

The fourth proportional to 59,542.90, 89,336.16 and 42,921.70 is: 64,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,542.90 : 89,336.16 = 42,921.70 : x
  2. Step 2: Convert to fraction form
    59,542.90/89,336.16 = 42,921.70/x
  3. Step 3: Cross multiply
    59,542.90x = 89,336.16 × 42,921.70
  4. Step 4: Simplify right side
    59,542.90x = 3,834,459,197.38
  5. Step 5: Solve for x
    x = 3,834,459,197.38/59,542.90
  6. Step 6: Final answer
    x = 64,398.27

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