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Finding the Fourth Proportional to 269,717, 404,641.14 and 89,801.96

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Solution

The fourth proportional to 269,717, 404,641.14 and 89,801.96 is: 134,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,717 : 404,641.14 = 89,801.96 : x
  2. Step 2: Convert to fraction form
    269,717/404,641.14 = 89,801.96/x
  3. Step 3: Cross multiply
    269,717x = 404,641.14 × 89,801.96
  4. Step 4: Simplify right side
    269,717x = 36,337,567,468.63
  5. Step 5: Solve for x
    x = 36,337,567,468.63/269,717
  6. Step 6: Final answer
    x = 134,724.79

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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.