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Finding the Fourth Proportional to 167,181.56, 230,709.84 and 91,728.44

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Solution

The fourth proportional to 167,181.56, 230,709.84 and 91,728.44 is: 126,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,181.56 : 230,709.84 = 91,728.44 : x
  2. Step 2: Convert to fraction form
    167,181.56/230,709.84 = 91,728.44/x
  3. Step 3: Cross multiply
    167,181.56x = 230,709.84 × 91,728.44
  4. Step 4: Simplify right side
    167,181.56x = 21,162,653,715.85
  5. Step 5: Solve for x
    x = 21,162,653,715.85/167,181.56
  6. Step 6: Final answer
    x = 126,584.86

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