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Finding the Fourth Proportional to 224,750.70, 337,079.88 and 66,936.78

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Solution

The fourth proportional to 224,750.70, 337,079.88 and 66,936.78 is: 100,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,750.70 : 337,079.88 = 66,936.78 : x
  2. Step 2: Convert to fraction form
    224,750.70/337,079.88 = 66,936.78/x
  3. Step 3: Cross multiply
    224,750.70x = 337,079.88 × 66,936.78
  4. Step 4: Simplify right side
    224,750.70x = 22,563,041,769.99
  5. Step 5: Solve for x
    x = 22,563,041,769.99/224,750.70
  6. Step 6: Final answer
    x = 100,391.42

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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.