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Finding the Fourth Proportional to 79,911.43, 110,279.31 and 44,100.67

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Solution

The fourth proportional to 79,911.43, 110,279.31 and 44,100.67 is: 60,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,911.43 : 110,279.31 = 44,100.67 : x
  2. Step 2: Convert to fraction form
    79,911.43/110,279.31 = 44,100.67/x
  3. Step 3: Cross multiply
    79,911.43x = 110,279.31 × 44,100.67
  4. Step 4: Simplify right side
    79,911.43x = 4,863,391,733.84
  5. Step 5: Solve for x
    x = 4,863,391,733.84/79,911.43
  6. Step 6: Final answer
    x = 60,859.78

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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.