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Finding the Fourth Proportional to 269,721.33, 404,260.24 and 125,432.37

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Solution

The fourth proportional to 269,721.33, 404,260.24 and 125,432.37 is: 187,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.33 : 404,260.24 = 125,432.37 : x
  2. Step 2: Convert to fraction form
    269,721.33/404,260.24 = 125,432.37/x
  3. Step 3: Cross multiply
    269,721.33x = 404,260.24 × 125,432.37
  4. Step 4: Simplify right side
    269,721.33x = 50,707,319,999.97
  5. Step 5: Solve for x
    x = 50,707,319,999.97/269,721.33
  6. Step 6: Final answer
    x = 187,998.92

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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.