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Finding the Fourth Proportional to 166.44, 229.80 and 96.48

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Solution

The fourth proportional to 166.44, 229.80 and 96.48 is: 133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.44 : 229.80 = 96.48 : x
  2. Step 2: Convert to fraction form
    166.44/229.80 = 96.48/x
  3. Step 3: Cross multiply
    166.44x = 229.80 × 96.48
  4. Step 4: Simplify right side
    166.44x = 22,171.10
  5. Step 5: Solve for x
    x = 22,171.10/166.44
  6. Step 6: Final answer
    x = 133.21

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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.