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Finding the Fourth Proportional to 224,998.80, 337,546.80 and 67,243.20

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Solution

The fourth proportional to 224,998.80, 337,546.80 and 67,243.20 is: 100,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,998.80 : 337,546.80 = 67,243.20 : x
  2. Step 2: Convert to fraction form
    224,998.80/337,546.80 = 67,243.20/x
  3. Step 3: Cross multiply
    224,998.80x = 337,546.80 × 67,243.20
  4. Step 4: Simplify right side
    224,998.80x = 22,697,726,981.76
  5. Step 5: Solve for x
    x = 22,697,726,981.76/224,998.80
  6. Step 6: Final answer
    x = 100,879.32

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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.