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Finding the Fourth Proportional to 88,432.27, 132,654.48 and 67,405.48

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Solution

The fourth proportional to 88,432.27, 132,654.48 and 67,405.48 is: 101,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.27 : 132,654.48 = 67,405.48 : x
  2. Step 2: Convert to fraction form
    88,432.27/132,654.48 = 67,405.48/x
  3. Step 3: Cross multiply
    88,432.27x = 132,654.48 × 67,405.48
  4. Step 4: Simplify right side
    88,432.27x = 8,941,638,898.55
  5. Step 5: Solve for x
    x = 8,941,638,898.55/88,432.27
  6. Step 6: Final answer
    x = 101,112.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.