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Finding the Fourth Proportional to 71,778.52, 107,674.95 and 27,442.57

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Solution

The fourth proportional to 71,778.52, 107,674.95 and 27,442.57 is: 41,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.52 : 107,674.95 = 27,442.57 : x
  2. Step 2: Convert to fraction form
    71,778.52/107,674.95 = 27,442.57/x
  3. Step 3: Cross multiply
    71,778.52x = 107,674.95 × 27,442.57
  4. Step 4: Simplify right side
    71,778.52x = 2,954,877,352.62
  5. Step 5: Solve for x
    x = 2,954,877,352.62/71,778.52
  6. Step 6: Final answer
    x = 41,166.60

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