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Finding the Fourth Proportional to 224,572.83, 336,786.27 and 74,772.78

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Solution

The fourth proportional to 224,572.83, 336,786.27 and 74,772.78 is: 112,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,572.83 : 336,786.27 = 74,772.78 : x
  2. Step 2: Convert to fraction form
    224,572.83/336,786.27 = 74,772.78/x
  3. Step 3: Cross multiply
    224,572.83x = 336,786.27 × 74,772.78
  4. Step 4: Simplify right side
    224,572.83x = 25,182,445,673.73
  5. Step 5: Solve for x
    x = 25,182,445,673.73/224,572.83
  6. Step 6: Final answer
    x = 112,134.87

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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.