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Finding the Fourth Proportional to 132,397.56, 198,543.96 and 104,371.56

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Solution

The fourth proportional to 132,397.56, 198,543.96 and 104,371.56 is: 156,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,397.56 : 198,543.96 = 104,371.56 : x
  2. Step 2: Convert to fraction form
    132,397.56/198,543.96 = 104,371.56/x
  3. Step 3: Cross multiply
    132,397.56x = 198,543.96 × 104,371.56
  4. Step 4: Simplify right side
    132,397.56x = 20,722,342,833.78
  5. Step 5: Solve for x
    x = 20,722,342,833.78/132,397.56
  6. Step 6: Final answer
    x = 156,516.05

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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.