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Finding the Fourth Proportional to 132,079.11, 198,115.11 and 37,315.82

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Solution

The fourth proportional to 132,079.11, 198,115.11 and 37,315.82 is: 55,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.11 : 198,115.11 = 37,315.82 : x
  2. Step 2: Convert to fraction form
    132,079.11/198,115.11 = 37,315.82/x
  3. Step 3: Cross multiply
    132,079.11x = 198,115.11 × 37,315.82
  4. Step 4: Simplify right side
    132,079.11x = 7,392,826,793.46
  5. Step 5: Solve for x
    x = 7,392,826,793.46/132,079.11
  6. Step 6: Final answer
    x = 55,972.72

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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.