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Finding the Fourth Proportional to 224,782.72, 337,224.30 and 84,542.56

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Solution

The fourth proportional to 224,782.72, 337,224.30 and 84,542.56 is: 126,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,782.72 : 337,224.30 = 84,542.56 : x
  2. Step 2: Convert to fraction form
    224,782.72/337,224.30 = 84,542.56/x
  3. Step 3: Cross multiply
    224,782.72x = 337,224.30 × 84,542.56
  4. Step 4: Simplify right side
    224,782.72x = 28,509,805,616.21
  5. Step 5: Solve for x
    x = 28,509,805,616.21/224,782.72
  6. Step 6: Final answer
    x = 126,832.73

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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.