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Finding the Fourth Proportional to 79,621.96, 119,170.41 and 44,028.52

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Solution

The fourth proportional to 79,621.96, 119,170.41 and 44,028.52 is: 65,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.96 : 119,170.41 = 44,028.52 : x
  2. Step 2: Convert to fraction form
    79,621.96/119,170.41 = 44,028.52/x
  3. Step 3: Cross multiply
    79,621.96x = 119,170.41 × 44,028.52
  4. Step 4: Simplify right side
    79,621.96x = 5,246,896,780.09
  5. Step 5: Solve for x
    x = 5,246,896,780.09/79,621.96
  6. Step 6: Final answer
    x = 65,897.61

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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.