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Finding the Fourth Proportional to 132,610.10, 198,915.15 and 53,726.90

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Solution

The fourth proportional to 132,610.10, 198,915.15 and 53,726.90 is: 80,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,610.10 : 198,915.15 = 53,726.90 : x
  2. Step 2: Convert to fraction form
    132,610.10/198,915.15 = 53,726.90/x
  3. Step 3: Cross multiply
    132,610.10x = 198,915.15 × 53,726.90
  4. Step 4: Simplify right side
    132,610.10x = 10,687,094,372.54
  5. Step 5: Solve for x
    x = 10,687,094,372.54/132,610.10
  6. Step 6: Final answer
    x = 80,590.35

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1.5x scale

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.