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Finding the Fourth Proportional to 221,452.22, 332,185.76 and 71,693.76

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Solution

The fourth proportional to 221,452.22, 332,185.76 and 71,693.76 is: 107,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452.22 : 332,185.76 = 71,693.76 : x
  2. Step 2: Convert to fraction form
    221,452.22/332,185.76 = 71,693.76/x
  3. Step 3: Cross multiply
    221,452.22x = 332,185.76 × 71,693.76
  4. Step 4: Simplify right side
    221,452.22x = 23,815,646,152.86
  5. Step 5: Solve for x
    x = 23,815,646,152.86/221,452.22
  6. Step 6: Final answer
    x = 107,543.05

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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.