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Finding the Fourth Proportional to 82,612.88, 124,045.68 and 72,834.56

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Solution

The fourth proportional to 82,612.88, 124,045.68 and 72,834.56 is: 109,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612.88 : 124,045.68 = 72,834.56 : x
  2. Step 2: Convert to fraction form
    82,612.88/124,045.68 = 72,834.56/x
  3. Step 3: Cross multiply
    82,612.88x = 124,045.68 × 72,834.56
  4. Step 4: Simplify right side
    82,612.88x = 9,034,812,522.70
  5. Step 5: Solve for x
    x = 9,034,812,522.70/82,612.88
  6. Step 6: Final answer
    x = 109,363.24

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