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Finding the Fourth Proportional to 269,760.24, 404,721.39 and 127,713.78

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Solution

The fourth proportional to 269,760.24, 404,721.39 and 127,713.78 is: 191,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,760.24 : 404,721.39 = 127,713.78 : x
  2. Step 2: Convert to fraction form
    269,760.24/404,721.39 = 127,713.78/x
  3. Step 3: Cross multiply
    269,760.24x = 404,721.39 × 127,713.78
  4. Step 4: Simplify right side
    269,760.24x = 51,688,498,563.75
  5. Step 5: Solve for x
    x = 51,688,498,563.75/269,760.24
  6. Step 6: Final answer
    x = 191,609.03

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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.