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Finding the Fourth Proportional to 71,652.92, 107,352.80 and 43,515.52

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Solution

The fourth proportional to 71,652.92, 107,352.80 and 43,515.52 is: 65,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,652.92 : 107,352.80 = 43,515.52 : x
  2. Step 2: Convert to fraction form
    71,652.92/107,352.80 = 43,515.52/x
  3. Step 3: Cross multiply
    71,652.92x = 107,352.80 × 43,515.52
  4. Step 4: Simplify right side
    71,652.92x = 4,671,512,915.46
  5. Step 5: Solve for x
    x = 4,671,512,915.46/71,652.92
  6. Step 6: Final answer
    x = 65,196.41

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