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Finding the Fourth Proportional to 167,920.20, 251,926.29 and 49,591.44

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Solution

The fourth proportional to 167,920.20, 251,926.29 and 49,591.44 is: 74,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,920.20 : 251,926.29 = 49,591.44 : x
  2. Step 2: Convert to fraction form
    167,920.20/251,926.29 = 49,591.44/x
  3. Step 3: Cross multiply
    167,920.20x = 251,926.29 × 49,591.44
  4. Step 4: Simplify right side
    167,920.20x = 12,493,387,494.96
  5. Step 5: Solve for x
    x = 12,493,387,494.96/167,920.20
  6. Step 6: Final answer
    x = 74,400.74

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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.