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Finding the Fourth Proportional to 132,098.88, 198,167.88 and 47,865.36

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Solution

The fourth proportional to 132,098.88, 198,167.88 and 47,865.36 is: 71,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098.88 : 198,167.88 = 47,865.36 : x
  2. Step 2: Convert to fraction form
    132,098.88/198,167.88 = 47,865.36/x
  3. Step 3: Cross multiply
    132,098.88x = 198,167.88 × 47,865.36
  4. Step 4: Simplify right side
    132,098.88x = 9,485,376,916.64
  5. Step 5: Solve for x
    x = 9,485,376,916.64/132,098.88
  6. Step 6: Final answer
    x = 71,805.13

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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.