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Finding the Fourth Proportional to 87,704.70, 131,558.25 and 28,540.68

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Solution

The fourth proportional to 87,704.70, 131,558.25 and 28,540.68 is: 42,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.70 : 131,558.25 = 28,540.68 : x
  2. Step 2: Convert to fraction form
    87,704.70/131,558.25 = 28,540.68/x
  3. Step 3: Cross multiply
    87,704.70x = 131,558.25 × 28,540.68
  4. Step 4: Simplify right side
    87,704.70x = 3,754,761,914.61
  5. Step 5: Solve for x
    x = 3,754,761,914.61/87,704.70
  6. Step 6: Final answer
    x = 42,811.41

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