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Finding the Fourth Proportional to 225,388.80, 337,956.84 and 154,391.60

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Solution

The fourth proportional to 225,388.80, 337,956.84 and 154,391.60 is: 231,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,388.80 : 337,956.84 = 154,391.60 : x
  2. Step 2: Convert to fraction form
    225,388.80/337,956.84 = 154,391.60/x
  3. Step 3: Cross multiply
    225,388.80x = 337,956.84 × 154,391.60
  4. Step 4: Simplify right side
    225,388.80x = 52,177,698,103.44
  5. Step 5: Solve for x
    x = 52,177,698,103.44/225,388.80
  6. Step 6: Final answer
    x = 231,500.85

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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.