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Finding the Fourth Proportional to 60,167.54, 90,250.22 and 20,723.78

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Solution

The fourth proportional to 60,167.54, 90,250.22 and 20,723.78 is: 31,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,167.54 : 90,250.22 = 20,723.78 : x
  2. Step 2: Convert to fraction form
    60,167.54/90,250.22 = 20,723.78/x
  3. Step 3: Cross multiply
    60,167.54x = 90,250.22 × 20,723.78
  4. Step 4: Simplify right side
    60,167.54x = 1,870,325,704.23
  5. Step 5: Solve for x
    x = 1,870,325,704.23/60,167.54
  6. Step 6: Final answer
    x = 31,085.29

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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.