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Finding the Fourth Proportional to 83,385.69, 115,083.41 and 49,391.52

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Solution

The fourth proportional to 83,385.69, 115,083.41 and 49,391.52 is: 68,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,385.69 : 115,083.41 = 49,391.52 : x
  2. Step 2: Convert to fraction form
    83,385.69/115,083.41 = 49,391.52/x
  3. Step 3: Cross multiply
    83,385.69x = 115,083.41 × 49,391.52
  4. Step 4: Simplify right side
    83,385.69x = 5,684,144,546.68
  5. Step 5: Solve for x
    x = 5,684,144,546.68/83,385.69
  6. Step 6: Final answer
    x = 68,166.91

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