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Finding the Fourth Proportional to 167,767.98, 251,651.42 and 67,927.38

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Solution

The fourth proportional to 167,767.98, 251,651.42 and 67,927.38 is: 101,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,767.98 : 251,651.42 = 67,927.38 : x
  2. Step 2: Convert to fraction form
    167,767.98/251,651.42 = 67,927.38/x
  3. Step 3: Cross multiply
    167,767.98x = 251,651.42 × 67,927.38
  4. Step 4: Simplify right side
    167,767.98x = 17,094,021,633.88
  5. Step 5: Solve for x
    x = 17,094,021,633.88/167,767.98
  6. Step 6: Final answer
    x = 101,890.85

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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.