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Finding the Fourth Proportional to 79,621.46, 119,169.66 and 44,028.02

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Solution

The fourth proportional to 79,621.46, 119,169.66 and 44,028.02 is: 65,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621.46 : 119,169.66 = 44,028.02 : x
  2. Step 2: Convert to fraction form
    79,621.46/119,169.66 = 44,028.02/x
  3. Step 3: Cross multiply
    79,621.46x = 119,169.66 × 44,028.02
  4. Step 4: Simplify right side
    79,621.46x = 5,246,804,173.87
  5. Step 5: Solve for x
    x = 5,246,804,173.87/79,621.46
  6. Step 6: Final answer
    x = 65,896.86

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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.