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Finding the Fourth Proportional to 67,660.11, 93,348.20 and 39,342.51

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Solution

The fourth proportional to 67,660.11, 93,348.20 and 39,342.51 is: 54,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,660.11 : 93,348.20 = 39,342.51 : x
  2. Step 2: Convert to fraction form
    67,660.11/93,348.20 = 39,342.51/x
  3. Step 3: Cross multiply
    67,660.11x = 93,348.20 × 39,342.51
  4. Step 4: Simplify right side
    67,660.11x = 3,672,552,295.27
  5. Step 5: Solve for x
    x = 3,672,552,295.27/67,660.11
  6. Step 6: Final answer
    x = 54,279.43

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