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Finding the Fourth Proportional to 165.85, 248.33 and 114.24

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Solution

The fourth proportional to 165.85, 248.33 and 114.24 is: 171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.85 : 248.33 = 114.24 : x
  2. Step 2: Convert to fraction form
    165.85/248.33 = 114.24/x
  3. Step 3: Cross multiply
    165.85x = 248.33 × 114.24
  4. Step 4: Simplify right side
    165.85x = 28,370.44
  5. Step 5: Solve for x
    x = 28,370.44/165.85
  6. Step 6: Final answer
    x = 171.06

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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.