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Finding the Fourth Proportional to 224,977.80, 337,515.30 and 67,222.20

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Solution

The fourth proportional to 224,977.80, 337,515.30 and 67,222.20 is: 100,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,977.80 : 337,515.30 = 67,222.20 : x
  2. Step 2: Convert to fraction form
    224,977.80/337,515.30 = 67,222.20/x
  3. Step 3: Cross multiply
    224,977.80x = 337,515.30 × 67,222.20
  4. Step 4: Simplify right side
    224,977.80x = 22,688,520,999.66
  5. Step 5: Solve for x
    x = 22,688,520,999.66/224,977.80
  6. Step 6: Final answer
    x = 100,847.82

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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.