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Finding the Fourth Proportional to 224,728.40, 337,238.40 and 129,958.40

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Solution

The fourth proportional to 224,728.40, 337,238.40 and 129,958.40 is: 195,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,728.40 : 337,238.40 = 129,958.40 : x
  2. Step 2: Convert to fraction form
    224,728.40/337,238.40 = 129,958.40/x
  3. Step 3: Cross multiply
    224,728.40x = 337,238.40 × 129,958.40
  4. Step 4: Simplify right side
    224,728.40x = 43,826,962,882.56
  5. Step 5: Solve for x
    x = 43,826,962,882.56/224,728.40
  6. Step 6: Final answer
    x = 195,021.91

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1.5x scale

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.