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Finding the Fourth Proportional to 166.37, 229.61 and 96.44

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Solution

The fourth proportional to 166.37, 229.61 and 96.44 is: 133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.37 : 229.61 = 96.44 : x
  2. Step 2: Convert to fraction form
    166.37/229.61 = 96.44/x
  3. Step 3: Cross multiply
    166.37x = 229.61 × 96.44
  4. Step 4: Simplify right side
    166.37x = 22,141.96
  5. Step 5: Solve for x
    x = 22,141.96/166.37
  6. Step 6: Final answer
    x = 133.09

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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.