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Finding the Fourth Proportional to 224,981.80, 337,523.90 and 131,439.40

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Solution

The fourth proportional to 224,981.80, 337,523.90 and 131,439.40 is: 197,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,981.80 : 337,523.90 = 131,439.40 : x
  2. Step 2: Convert to fraction form
    224,981.80/337,523.90 = 131,439.40/x
  3. Step 3: Cross multiply
    224,981.80x = 337,523.90 × 131,439.40
  4. Step 4: Simplify right side
    224,981.80x = 44,363,938,901.66
  5. Step 5: Solve for x
    x = 44,363,938,901.66/224,981.80
  6. Step 6: Final answer
    x = 197,189.01

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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.