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Finding the Fourth Proportional to 240,195.38, 360,344.52 and 71,728.98

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Solution

The fourth proportional to 240,195.38, 360,344.52 and 71,728.98 is: 107,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,195.38 : 360,344.52 = 71,728.98 : x
  2. Step 2: Convert to fraction form
    240,195.38/360,344.52 = 71,728.98/x
  3. Step 3: Cross multiply
    240,195.38x = 360,344.52 × 71,728.98
  4. Step 4: Simplify right side
    240,195.38x = 25,847,144,868.19
  5. Step 5: Solve for x
    x = 25,847,144,868.19/240,195.38
  6. Step 6: Final answer
    x = 107,608.83

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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.