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Finding the Fourth Proportional to 271,175.21, 406,765.25 and 71,523.98

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Solution

The fourth proportional to 271,175.21, 406,765.25 and 71,523.98 is: 107,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,175.21 : 406,765.25 = 71,523.98 : x
  2. Step 2: Convert to fraction form
    271,175.21/406,765.25 = 71,523.98/x
  3. Step 3: Cross multiply
    271,175.21x = 406,765.25 × 71,523.98
  4. Step 4: Simplify right side
    271,175.21x = 29,093,469,605.70
  5. Step 5: Solve for x
    x = 29,093,469,605.70/271,175.21
  6. Step 6: Final answer
    x = 107,286.61

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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.