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Finding the Fourth Proportional to 269,716.48, 404,640.43 and 89,801.57

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Solution

The fourth proportional to 269,716.48, 404,640.43 and 89,801.57 is: 134,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,716.48 : 404,640.43 = 89,801.57 : x
  2. Step 2: Convert to fraction form
    269,716.48/404,640.43 = 89,801.57/x
  3. Step 3: Cross multiply
    269,716.48x = 404,640.43 × 89,801.57
  4. Step 4: Simplify right side
    269,716.48x = 36,337,346,686.57
  5. Step 5: Solve for x
    x = 36,337,346,686.57/269,716.48
  6. Step 6: Final answer
    x = 134,724.24

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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.