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Finding the Fourth Proportional to 165.92, 248.89 and 44.18

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Solution

The fourth proportional to 165.92, 248.89 and 44.18 is: 66.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.92 : 248.89 = 44.18 : x
  2. Step 2: Convert to fraction form
    165.92/248.89 = 44.18/x
  3. Step 3: Cross multiply
    165.92x = 248.89 × 44.18
  4. Step 4: Simplify right side
    165.92x = 10,995.96
  5. Step 5: Solve for x
    x = 10,995.96/165.92
  6. Step 6: Final answer
    x = 66.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.