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Finding the Fourth Proportional to 225,061.20, 337,591.80 and 189,631.80

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Solution

The fourth proportional to 225,061.20, 337,591.80 and 189,631.80 is: 284,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,061.20 : 337,591.80 = 189,631.80 : x
  2. Step 2: Convert to fraction form
    225,061.20/337,591.80 = 189,631.80/x
  3. Step 3: Cross multiply
    225,061.20x = 337,591.80 × 189,631.80
  4. Step 4: Simplify right side
    225,061.20x = 64,018,140,699.24
  5. Step 5: Solve for x
    x = 64,018,140,699.24/225,061.20
  6. Step 6: Final answer
    x = 284,447.70

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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.