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Finding the Fourth Proportional to 179.92, 248.27 and 160.33

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Solution

The fourth proportional to 179.92, 248.27 and 160.33 is: 221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.92 : 248.27 = 160.33 : x
  2. Step 2: Convert to fraction form
    179.92/248.27 = 160.33/x
  3. Step 3: Cross multiply
    179.92x = 248.27 × 160.33
  4. Step 4: Simplify right side
    179.92x = 39,804.17
  5. Step 5: Solve for x
    x = 39,804.17/179.92
  6. Step 6: Final answer
    x = 221.23

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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.