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Finding the Fourth Proportional to 73,556.92, 110,335.61 and 20,249.61

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Solution

The fourth proportional to 73,556.92, 110,335.61 and 20,249.61 is: 30,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,556.92 : 110,335.61 = 20,249.61 : x
  2. Step 2: Convert to fraction form
    73,556.92/110,335.61 = 20,249.61/x
  3. Step 3: Cross multiply
    73,556.92x = 110,335.61 × 20,249.61
  4. Step 4: Simplify right side
    73,556.92x = 2,234,253,071.61
  5. Step 5: Solve for x
    x = 2,234,253,071.61/73,556.92
  6. Step 6: Final answer
    x = 30,374.48

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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.