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Finding the Fourth Proportional to 180,874.26, 271,212.03 and 143,672.58

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Solution

The fourth proportional to 180,874.26, 271,212.03 and 143,672.58 is: 215,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,874.26 : 271,212.03 = 143,672.58 : x
  2. Step 2: Convert to fraction form
    180,874.26/271,212.03 = 143,672.58/x
  3. Step 3: Cross multiply
    180,874.26x = 271,212.03 × 143,672.58
  4. Step 4: Simplify right side
    180,874.26x = 38,965,732,077.14
  5. Step 5: Solve for x
    x = 38,965,732,077.14/180,874.26
  6. Step 6: Final answer
    x = 215,429.95

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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.