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Finding the Fourth Proportional to 224,520.74, 336,781.11 and 66,748.94

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Solution

The fourth proportional to 224,520.74, 336,781.11 and 66,748.94 is: 100,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,520.74 : 336,781.11 = 66,748.94 : x
  2. Step 2: Convert to fraction form
    224,520.74/336,781.11 = 66,748.94/x
  3. Step 3: Cross multiply
    224,520.74x = 336,781.11 × 66,748.94
  4. Step 4: Simplify right side
    224,520.74x = 22,479,782,104.52
  5. Step 5: Solve for x
    x = 22,479,782,104.52/224,520.74
  6. Step 6: Final answer
    x = 100,123.41

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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.