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Finding the Fourth Proportional to 132,503.73, 198,799.33 and 53,574.90

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Solution

The fourth proportional to 132,503.73, 198,799.33 and 53,574.90 is: 80,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,503.73 : 198,799.33 = 53,574.90 : x
  2. Step 2: Convert to fraction form
    132,503.73/198,799.33 = 53,574.90/x
  3. Step 3: Cross multiply
    132,503.73x = 198,799.33 × 53,574.90
  4. Step 4: Simplify right side
    132,503.73x = 10,650,654,224.82
  5. Step 5: Solve for x
    x = 10,650,654,224.82/132,503.73
  6. Step 6: Final answer
    x = 80,380.03

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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.