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Finding the Fourth Proportional to 72,151.44, 108,217.60 and 22,233.20

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Solution

The fourth proportional to 72,151.44, 108,217.60 and 22,233.20 is: 33,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,151.44 : 108,217.60 = 22,233.20 : x
  2. Step 2: Convert to fraction form
    72,151.44/108,217.60 = 22,233.20/x
  3. Step 3: Cross multiply
    72,151.44x = 108,217.60 × 22,233.20
  4. Step 4: Simplify right side
    72,151.44x = 2,406,023,544.32
  5. Step 5: Solve for x
    x = 2,406,023,544.32/72,151.44
  6. Step 6: Final answer
    x = 33,346.85

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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.