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Finding the Fourth Proportional to 301,170.48, 451,843.20 and 143,531.52

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Solution

The fourth proportional to 301,170.48, 451,843.20 and 143,531.52 is: 215,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,170.48 : 451,843.20 = 143,531.52 : x
  2. Step 2: Convert to fraction form
    301,170.48/451,843.20 = 143,531.52/x
  3. Step 3: Cross multiply
    301,170.48x = 451,843.20 × 143,531.52
  4. Step 4: Simplify right side
    301,170.48x = 64,853,741,297.66
  5. Step 5: Solve for x
    x = 64,853,741,297.66/301,170.48
  6. Step 6: Final answer
    x = 215,338.97

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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.