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Finding the Fourth Proportional to 167,834.39, 251,691.62 and 55,493.87

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Solution

The fourth proportional to 167,834.39, 251,691.62 and 55,493.87 is: 83,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,834.39 : 251,691.62 = 55,493.87 : x
  2. Step 2: Convert to fraction form
    167,834.39/251,691.62 = 55,493.87/x
  3. Step 3: Cross multiply
    167,834.39x = 251,691.62 × 55,493.87
  4. Step 4: Simplify right side
    167,834.39x = 13,967,342,040.37
  5. Step 5: Solve for x
    x = 13,967,342,040.37/167,834.39
  6. Step 6: Final answer
    x = 83,220.98

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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.