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Finding the Fourth Proportional to 224,456.86, 336,572.70 and 74,644.39

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Solution

The fourth proportional to 224,456.86, 336,572.70 and 74,644.39 is: 111,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,456.86 : 336,572.70 = 74,644.39 : x
  2. Step 2: Convert to fraction form
    224,456.86/336,572.70 = 74,644.39/x
  3. Step 3: Cross multiply
    224,456.86x = 336,572.70 × 74,644.39
  4. Step 4: Simplify right side
    224,456.86x = 25,123,263,882.15
  5. Step 5: Solve for x
    x = 25,123,263,882.15/224,456.86
  6. Step 6: Final answer
    x = 111,929.14

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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.