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Finding the Fourth Proportional to 60,231.60, 90,358.20 and 25,174.80

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Solution

The fourth proportional to 60,231.60, 90,358.20 and 25,174.80 is: 37,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,231.60 : 90,358.20 = 25,174.80 : x
  2. Step 2: Convert to fraction form
    60,231.60/90,358.20 = 25,174.80/x
  3. Step 3: Cross multiply
    60,231.60x = 90,358.20 × 25,174.80
  4. Step 4: Simplify right side
    60,231.60x = 2,274,749,613.36
  5. Step 5: Solve for x
    x = 2,274,749,613.36/60,231.60
  6. Step 6: Final answer
    x = 37,766.71

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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.