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Finding the Fourth Proportional to 147,602.22, 220,251.71 and 131,697.87

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Solution

The fourth proportional to 147,602.22, 220,251.71 and 131,697.87 is: 196,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,602.22 : 220,251.71 = 131,697.87 : x
  2. Step 2: Convert to fraction form
    147,602.22/220,251.71 = 131,697.87/x
  3. Step 3: Cross multiply
    147,602.22x = 220,251.71 × 131,697.87
  4. Step 4: Simplify right side
    147,602.22x = 29,006,681,691.73
  5. Step 5: Solve for x
    x = 29,006,681,691.73/147,602.22
  6. Step 6: Final answer
    x = 196,519.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.