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Finding the Fourth Proportional to 166.62, 229.44 and 163.02

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Solution

The fourth proportional to 166.62, 229.44 and 163.02 is: 224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.62 : 229.44 = 163.02 : x
  2. Step 2: Convert to fraction form
    166.62/229.44 = 163.02/x
  3. Step 3: Cross multiply
    166.62x = 229.44 × 163.02
  4. Step 4: Simplify right side
    166.62x = 37,403.31
  5. Step 5: Solve for x
    x = 37,403.31/166.62
  6. Step 6: Final answer
    x = 224.48

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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.