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Finding the Fourth Proportional to 69,198.75, 103,798.13 and 27,674.91

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Solution

The fourth proportional to 69,198.75, 103,798.13 and 27,674.91 is: 41,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,198.75 : 103,798.13 = 27,674.91 : x
  2. Step 2: Convert to fraction form
    69,198.75/103,798.13 = 27,674.91/x
  3. Step 3: Cross multiply
    69,198.75x = 103,798.13 × 27,674.91
  4. Step 4: Simplify right side
    69,198.75x = 2,872,603,767.54
  5. Step 5: Solve for x
    x = 2,872,603,767.54/69,198.75
  6. Step 6: Final answer
    x = 41,512.37

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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.