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Finding the Fourth Proportional to 132,535.55, 198,773.49 and 37,763.80

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Solution

The fourth proportional to 132,535.55, 198,773.49 and 37,763.80 is: 56,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,535.55 : 198,773.49 = 37,763.80 : x
  2. Step 2: Convert to fraction form
    132,535.55/198,773.49 = 37,763.80/x
  3. Step 3: Cross multiply
    132,535.55x = 198,773.49 × 37,763.80
  4. Step 4: Simplify right side
    132,535.55x = 7,506,442,321.66
  5. Step 5: Solve for x
    x = 7,506,442,321.66/132,535.55
  6. Step 6: Final answer
    x = 56,637.20

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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.