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Finding the Fourth Proportional to 82,639.52, 123,890.18 and 38,298.04

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Solution

The fourth proportional to 82,639.52, 123,890.18 and 38,298.04 is: 57,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,639.52 : 123,890.18 = 38,298.04 : x
  2. Step 2: Convert to fraction form
    82,639.52/123,890.18 = 38,298.04/x
  3. Step 3: Cross multiply
    82,639.52x = 123,890.18 × 38,298.04
  4. Step 4: Simplify right side
    82,639.52x = 4,744,751,069.25
  5. Step 5: Solve for x
    x = 4,744,751,069.25/82,639.52
  6. Step 6: Final answer
    x = 57,415.04

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