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Finding the Fourth Proportional to 269,124, 371,391.12 and 149,892

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Solution

The fourth proportional to 269,124, 371,391.12 and 149,892 is: 206,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,124 : 371,391.12 = 149,892 : x
  2. Step 2: Convert to fraction form
    269,124/371,391.12 = 149,892/x
  3. Step 3: Cross multiply
    269,124x = 371,391.12 × 149,892
  4. Step 4: Simplify right side
    269,124x = 55,668,557,759.04
  5. Step 5: Solve for x
    x = 55,668,557,759.04/269,124
  6. Step 6: Final answer
    x = 206,850.96

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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.