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Finding the Fourth Proportional to 269,614.62, 372,067.11 and 148,763.43

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Solution

The fourth proportional to 269,614.62, 372,067.11 and 148,763.43 is: 205,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,614.62 : 372,067.11 = 148,763.43 : x
  2. Step 2: Convert to fraction form
    269,614.62/372,067.11 = 148,763.43/x
  3. Step 3: Cross multiply
    269,614.62x = 372,067.11 × 148,763.43
  4. Step 4: Simplify right side
    269,614.62x = 55,349,979,473.79
  5. Step 5: Solve for x
    x = 55,349,979,473.79/269,614.62
  6. Step 6: Final answer
    x = 205,292.95

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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.