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Finding the Fourth Proportional to 221,882.90, 332,629.95 and 133,042.10

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Solution

The fourth proportional to 221,882.90, 332,629.95 and 133,042.10 is: 199,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,882.90 : 332,629.95 = 133,042.10 : x
  2. Step 2: Convert to fraction form
    221,882.90/332,629.95 = 133,042.10/x
  3. Step 3: Cross multiply
    221,882.90x = 332,629.95 × 133,042.10
  4. Step 4: Simplify right side
    221,882.90x = 44,253,787,070.90
  5. Step 5: Solve for x
    x = 44,253,787,070.90/221,882.90
  6. Step 6: Final answer
    x = 199,446.59

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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.