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Finding the Fourth Proportional to 269,767.75, 404,372.78 and 101,169.18

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Solution

The fourth proportional to 269,767.75, 404,372.78 and 101,169.18 is: 151,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,767.75 : 404,372.78 = 101,169.18 : x
  2. Step 2: Convert to fraction form
    269,767.75/404,372.78 = 101,169.18/x
  3. Step 3: Cross multiply
    269,767.75x = 404,372.78 × 101,169.18
  4. Step 4: Simplify right side
    269,767.75x = 40,910,062,061.07
  5. Step 5: Solve for x
    x = 40,910,062,061.07/269,767.75
  6. Step 6: Final answer
    x = 151,649.20

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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.