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Finding the Fourth Proportional to 121,474.67, 167,633.90 and 67,027.34

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Solution

The fourth proportional to 121,474.67, 167,633.90 and 67,027.34 is: 92,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,474.67 : 167,633.90 = 67,027.34 : x
  2. Step 2: Convert to fraction form
    121,474.67/167,633.90 = 67,027.34/x
  3. Step 3: Cross multiply
    121,474.67x = 167,633.90 × 67,027.34
  4. Step 4: Simplify right side
    121,474.67x = 11,236,053,237.52
  5. Step 5: Solve for x
    x = 11,236,053,237.52/121,474.67
  6. Step 6: Final answer
    x = 92,497.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.