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Finding the Fourth Proportional to 69,173.66, 103,786.01 and 27,073.91

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Solution

The fourth proportional to 69,173.66, 103,786.01 and 27,073.91 is: 40,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,173.66 : 103,786.01 = 27,073.91 : x
  2. Step 2: Convert to fraction form
    69,173.66/103,786.01 = 27,073.91/x
  3. Step 3: Cross multiply
    69,173.66x = 103,786.01 × 27,073.91
  4. Step 4: Simplify right side
    69,173.66x = 2,809,892,439.70
  5. Step 5: Solve for x
    x = 2,809,892,439.70/69,173.66
  6. Step 6: Final answer
    x = 40,620.85

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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.