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Finding the Fourth Proportional to 79,759.08, 119,601.90 and 27,154.44

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Solution

The fourth proportional to 79,759.08, 119,601.90 and 27,154.44 is: 40,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,759.08 : 119,601.90 = 27,154.44 : x
  2. Step 2: Convert to fraction form
    79,759.08/119,601.90 = 27,154.44/x
  3. Step 3: Cross multiply
    79,759.08x = 119,601.90 × 27,154.44
  4. Step 4: Simplify right side
    79,759.08x = 3,247,722,617.44
  5. Step 5: Solve for x
    x = 3,247,722,617.44/79,759.08
  6. Step 6: Final answer
    x = 40,719.16

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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.