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Finding the Fourth Proportional to 82,057.59, 123,086.43 and 46,972.89

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Solution

The fourth proportional to 82,057.59, 123,086.43 and 46,972.89 is: 70,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057.59 : 123,086.43 = 46,972.89 : x
  2. Step 2: Convert to fraction form
    82,057.59/123,086.43 = 46,972.89/x
  3. Step 3: Cross multiply
    82,057.59x = 123,086.43 × 46,972.89
  4. Step 4: Simplify right side
    82,057.59x = 5,781,725,336.88
  5. Step 5: Solve for x
    x = 5,781,725,336.88/82,057.59
  6. Step 6: Final answer
    x = 70,459.36

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