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Finding the Fourth Proportional to 269,763.62, 404,726.42 and 127,717.16

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Solution

The fourth proportional to 269,763.62, 404,726.42 and 127,717.16 is: 191,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,763.62 : 404,726.42 = 127,717.16 : x
  2. Step 2: Convert to fraction form
    269,763.62/404,726.42 = 127,717.16/x
  3. Step 3: Cross multiply
    269,763.62x = 404,726.42 × 127,717.16
  4. Step 4: Simplify right side
    269,763.62x = 51,690,507,235.03
  5. Step 5: Solve for x
    x = 51,690,507,235.03/269,763.62
  6. Step 6: Final answer
    x = 191,614.08

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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.