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Finding the Fourth Proportional to 234,542.75, 351,814.13 and 57,049.88

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Solution

The fourth proportional to 234,542.75, 351,814.13 and 57,049.88 is: 85,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,542.75 : 351,814.13 = 57,049.88 : x
  2. Step 2: Convert to fraction form
    234,542.75/351,814.13 = 57,049.88/x
  3. Step 3: Cross multiply
    234,542.75x = 351,814.13 × 57,049.88
  4. Step 4: Simplify right side
    234,542.75x = 20,070,954,920.96
  5. Step 5: Solve for x
    x = 20,070,954,920.96/234,542.75
  6. Step 6: Final answer
    x = 85,574.82

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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.