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Finding the Fourth Proportional to 269,685.35, 404,571.92 and 101,218.92

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Solution

The fourth proportional to 269,685.35, 404,571.92 and 101,218.92 is: 151,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,685.35 : 404,571.92 = 101,218.92 : x
  2. Step 2: Convert to fraction form
    269,685.35/404,571.92 = 101,218.92/x
  3. Step 3: Cross multiply
    269,685.35x = 404,571.92 × 101,218.92
  4. Step 4: Simplify right side
    269,685.35x = 40,950,330,781.49
  5. Step 5: Solve for x
    x = 40,950,330,781.49/269,685.35
  6. Step 6: Final answer
    x = 151,844.85

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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.