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Finding the Fourth Proportional to 82,842.30, 124,140.57 and 60,846.78

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Solution

The fourth proportional to 82,842.30, 124,140.57 and 60,846.78 is: 91,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,842.30 : 124,140.57 = 60,846.78 : x
  2. Step 2: Convert to fraction form
    82,842.30/124,140.57 = 60,846.78/x
  3. Step 3: Cross multiply
    82,842.30x = 124,140.57 × 60,846.78
  4. Step 4: Simplify right side
    82,842.30x = 7,553,553,951.86
  5. Step 5: Solve for x
    x = 7,553,553,951.86/82,842.30
  6. Step 6: Final answer
    x = 91,179.92

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