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Finding the Fourth Proportional to 67,842.57, 93,607.77 and 39,156.13

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Solution

The fourth proportional to 67,842.57, 93,607.77 and 39,156.13 is: 54,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,842.57 : 93,607.77 = 39,156.13 : x
  2. Step 2: Convert to fraction form
    67,842.57/93,607.77 = 39,156.13/x
  3. Step 3: Cross multiply
    67,842.57x = 93,607.77 × 39,156.13
  4. Step 4: Simplify right side
    67,842.57x = 3,665,318,011.13
  5. Step 5: Solve for x
    x = 3,665,318,011.13/67,842.57
  6. Step 6: Final answer
    x = 54,026.82

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