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Finding the Fourth Proportional to 224,712.72, 337,119.30 and 84,472.56

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Solution

The fourth proportional to 224,712.72, 337,119.30 and 84,472.56 is: 126,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,712.72 : 337,119.30 = 84,472.56 : x
  2. Step 2: Convert to fraction form
    224,712.72/337,119.30 = 84,472.56/x
  3. Step 3: Cross multiply
    224,712.72x = 337,119.30 × 84,472.56
  4. Step 4: Simplify right side
    224,712.72x = 28,477,330,296.41
  5. Step 5: Solve for x
    x = 28,477,330,296.41/224,712.72
  6. Step 6: Final answer
    x = 126,727.72

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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.