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Finding the Fourth Proportional to 269,766.62, 404,562.32 and 89,803.70

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Solution

The fourth proportional to 269,766.62, 404,562.32 and 89,803.70 is: 134,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,766.62 : 404,562.32 = 89,803.70 : x
  2. Step 2: Convert to fraction form
    269,766.62/404,562.32 = 89,803.70/x
  3. Step 3: Cross multiply
    269,766.62x = 404,562.32 × 89,803.70
  4. Step 4: Simplify right side
    269,766.62x = 36,331,190,744.75
  5. Step 5: Solve for x
    x = 36,331,190,744.75/269,766.62
  6. Step 6: Final answer
    x = 134,676.38

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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.