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Finding the Fourth Proportional to 260.96, 360.14 and 167.76

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Solution

The fourth proportional to 260.96, 360.14 and 167.76 is: 231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.96 : 360.14 = 167.76 : x
  2. Step 2: Convert to fraction form
    260.96/360.14 = 167.76/x
  3. Step 3: Cross multiply
    260.96x = 360.14 × 167.76
  4. Step 4: Simplify right side
    260.96x = 60,416.25
  5. Step 5: Solve for x
    x = 60,416.25/260.96
  6. Step 6: Final answer
    x = 231.52

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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.