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Finding the Fourth Proportional to 79,819.98, 119,729.16 and 23,660.52

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Solution

The fourth proportional to 79,819.98, 119,729.16 and 23,660.52 is: 35,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,819.98 : 119,729.16 = 23,660.52 : x
  2. Step 2: Convert to fraction form
    79,819.98/119,729.16 = 23,660.52/x
  3. Step 3: Cross multiply
    79,819.98x = 119,729.16 × 23,660.52
  4. Step 4: Simplify right side
    79,819.98x = 2,832,854,184.76
  5. Step 5: Solve for x
    x = 2,832,854,184.76/79,819.98
  6. Step 6: Final answer
    x = 35,490.54

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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.