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Finding the Fourth Proportional to 60,229.67, 90,345.96 and 20,249.22

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Solution

The fourth proportional to 60,229.67, 90,345.96 and 20,249.22 is: 30,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,229.67 : 90,345.96 = 20,249.22 : x
  2. Step 2: Convert to fraction form
    60,229.67/90,345.96 = 20,249.22/x
  3. Step 3: Cross multiply
    60,229.67x = 90,345.96 × 20,249.22
  4. Step 4: Simplify right side
    60,229.67x = 1,829,435,220.15
  5. Step 5: Solve for x
    x = 1,829,435,220.15/60,229.67
  6. Step 6: Final answer
    x = 30,374.32

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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.