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Finding the Fourth Proportional to 224,782.71, 337,187.06 and 84,542.55

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Solution

The fourth proportional to 224,782.71, 337,187.06 and 84,542.55 is: 126,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,782.71 : 337,187.06 = 84,542.55 : x
  2. Step 2: Convert to fraction form
    224,782.71/337,187.06 = 84,542.55/x
  3. Step 3: Cross multiply
    224,782.71x = 337,187.06 × 84,542.55
  4. Step 4: Simplify right side
    224,782.71x = 28,506,653,879.40
  5. Step 5: Solve for x
    x = 28,506,653,879.40/224,782.71
  6. Step 6: Final answer
    x = 126,818.71

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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.