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Finding the Fourth Proportional to 132,912.20, 199,377.90 and 44,227.40

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Solution

The fourth proportional to 132,912.20, 199,377.90 and 44,227.40 is: 66,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,912.20 : 199,377.90 = 44,227.40 : x
  2. Step 2: Convert to fraction form
    132,912.20/199,377.90 = 44,227.40/x
  3. Step 3: Cross multiply
    132,912.20x = 199,377.90 × 44,227.40
  4. Step 4: Simplify right side
    132,912.20x = 8,817,966,134.46
  5. Step 5: Solve for x
    x = 8,817,966,134.46/132,912.20
  6. Step 6: Final answer
    x = 66,344.29

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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.