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Finding the Fourth Proportional to 269,757.24, 404,716.89 and 127,710.78

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Solution

The fourth proportional to 269,757.24, 404,716.89 and 127,710.78 is: 191,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,757.24 : 404,716.89 = 127,710.78 : x
  2. Step 2: Convert to fraction form
    269,757.24/404,716.89 = 127,710.78/x
  3. Step 3: Cross multiply
    269,757.24x = 404,716.89 × 127,710.78
  4. Step 4: Simplify right side
    269,757.24x = 51,686,709,701.07
  5. Step 5: Solve for x
    x = 51,686,709,701.07/269,757.24
  6. Step 6: Final answer
    x = 191,604.53

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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.