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Finding the Fourth Proportional to 221,251.39, 331,855.21 and 88,095.89

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Solution

The fourth proportional to 221,251.39, 331,855.21 and 88,095.89 is: 132,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,251.39 : 331,855.21 = 88,095.89 : x
  2. Step 2: Convert to fraction form
    221,251.39/331,855.21 = 88,095.89/x
  3. Step 3: Cross multiply
    221,251.39x = 331,855.21 × 88,095.89
  4. Step 4: Simplify right side
    221,251.39x = 29,235,079,635.61
  5. Step 5: Solve for x
    x = 29,235,079,635.61/221,251.39
  6. Step 6: Final answer
    x = 132,135.13

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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.