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Finding the Fourth Proportional to 167,832, 251,846.82 and 74,338.56

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Solution

The fourth proportional to 167,832, 251,846.82 and 74,338.56 is: 111,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,832 : 251,846.82 = 74,338.56 : x
  2. Step 2: Convert to fraction form
    167,832/251,846.82 = 74,338.56/x
  3. Step 3: Cross multiply
    167,832x = 251,846.82 × 74,338.56
  4. Step 4: Simplify right side
    167,832x = 18,721,929,939.38
  5. Step 5: Solve for x
    x = 18,721,929,939.38/167,832
  6. Step 6: Final answer
    x = 111,551.61

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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.