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Finding the Fourth Proportional to 166.73, 230.06 and 104.59

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Solution

The fourth proportional to 166.73, 230.06 and 104.59 is: 144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.73 : 230.06 = 104.59 : x
  2. Step 2: Convert to fraction form
    166.73/230.06 = 104.59/x
  3. Step 3: Cross multiply
    166.73x = 230.06 × 104.59
  4. Step 4: Simplify right side
    166.73x = 24,060.30
  5. Step 5: Solve for x
    x = 24,060.30/166.73
  6. Step 6: Final answer
    x = 144.31

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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.