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Finding the Fourth Proportional to 271,180.74, 406,773.48 and 71,529.48

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Solution

The fourth proportional to 271,180.74, 406,773.48 and 71,529.48 is: 107,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,180.74 : 406,773.48 = 71,529.48 : x
  2. Step 2: Convert to fraction form
    271,180.74/406,773.48 = 71,529.48/x
  3. Step 3: Cross multiply
    271,180.74x = 406,773.48 × 71,529.48
  4. Step 4: Simplify right side
    271,180.74x = 29,096,295,502.19
  5. Step 5: Solve for x
    x = 29,096,295,502.19/271,180.74
  6. Step 6: Final answer
    x = 107,294.85

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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.