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Finding the Fourth Proportional to 79,732.78, 110,031.24 and 43,922.77

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Solution

The fourth proportional to 79,732.78, 110,031.24 and 43,922.77 is: 60,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,732.78 : 110,031.24 = 43,922.77 : x
  2. Step 2: Convert to fraction form
    79,732.78/110,031.24 = 43,922.77/x
  3. Step 3: Cross multiply
    79,732.78x = 110,031.24 × 43,922.77
  4. Step 4: Simplify right side
    79,732.78x = 4,832,876,847.33
  5. Step 5: Solve for x
    x = 4,832,876,847.33/79,732.78
  6. Step 6: Final answer
    x = 60,613.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.