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Finding the Fourth Proportional to 224,981.40, 337,476.10 and 67,211.80

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Solution

The fourth proportional to 224,981.40, 337,476.10 and 67,211.80 is: 100,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,981.40 : 337,476.10 = 67,211.80 : x
  2. Step 2: Convert to fraction form
    224,981.40/337,476.10 = 67,211.80/x
  3. Step 3: Cross multiply
    224,981.40x = 337,476.10 × 67,211.80
  4. Step 4: Simplify right side
    224,981.40x = 22,682,376,137.98
  5. Step 5: Solve for x
    x = 22,682,376,137.98/224,981.40
  6. Step 6: Final answer
    x = 100,818.89

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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.