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Finding the Fourth Proportional to 192,502.93, 288,560.55 and 80,245.30

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Solution

The fourth proportional to 192,502.93, 288,560.55 and 80,245.30 is: 120,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.93 : 288,560.55 = 80,245.30 : x
  2. Step 2: Convert to fraction form
    192,502.93/288,560.55 = 80,245.30/x
  3. Step 3: Cross multiply
    192,502.93x = 288,560.55 × 80,245.30
  4. Step 4: Simplify right side
    192,502.93x = 23,155,627,902.92
  5. Step 5: Solve for x
    x = 23,155,627,902.92/192,502.93
  6. Step 6: Final answer
    x = 120,287.15

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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.