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Finding the Fourth Proportional to 269,179.57, 371,484.35 and 148,320.82

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Solution

The fourth proportional to 269,179.57, 371,484.35 and 148,320.82 is: 204,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,179.57 : 371,484.35 = 148,320.82 : x
  2. Step 2: Convert to fraction form
    269,179.57/371,484.35 = 148,320.82/x
  3. Step 3: Cross multiply
    269,179.57x = 371,484.35 × 148,320.82
  4. Step 4: Simplify right side
    269,179.57x = 55,098,863,200.80
  5. Step 5: Solve for x
    x = 55,098,863,200.80/269,179.57
  6. Step 6: Final answer
    x = 204,691.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.