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Finding the Fourth Proportional to 180.32, 248.87 and 166.41

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Solution

The fourth proportional to 180.32, 248.87 and 166.41 is: 229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.32 : 248.87 = 166.41 : x
  2. Step 2: Convert to fraction form
    180.32/248.87 = 166.41/x
  3. Step 3: Cross multiply
    180.32x = 248.87 × 166.41
  4. Step 4: Simplify right side
    180.32x = 41,414.87
  5. Step 5: Solve for x
    x = 41,414.87/180.32
  6. Step 6: Final answer
    x = 229.68

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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.