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Finding the Fourth Proportional to 79,884.43, 110,199.29 and 49,658.27

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Solution

The fourth proportional to 79,884.43, 110,199.29 and 49,658.27 is: 68,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884.43 : 110,199.29 = 49,658.27 : x
  2. Step 2: Convert to fraction form
    79,884.43/110,199.29 = 49,658.27/x
  3. Step 3: Cross multiply
    79,884.43x = 110,199.29 × 49,658.27
  4. Step 4: Simplify right side
    79,884.43x = 5,472,305,297.34
  5. Step 5: Solve for x
    x = 5,472,305,297.34/79,884.43
  6. Step 6: Final answer
    x = 68,502.78

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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.