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Finding the Fourth Proportional to 71,810.97, 99,103.46 and 41,605.80

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Solution

The fourth proportional to 71,810.97, 99,103.46 and 41,605.80 is: 57,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,810.97 : 99,103.46 = 41,605.80 : x
  2. Step 2: Convert to fraction form
    71,810.97/99,103.46 = 41,605.80/x
  3. Step 3: Cross multiply
    71,810.97x = 99,103.46 × 41,605.80
  4. Step 4: Simplify right side
    71,810.97x = 4,123,278,736.07
  5. Step 5: Solve for x
    x = 4,123,278,736.07/71,810.97
  6. Step 6: Final answer
    x = 57,418.51

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