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Finding the Fourth Proportional to 260.92, 360.26 and 167.80

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Solution

The fourth proportional to 260.92, 360.26 and 167.80 is: 231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.92 : 360.26 = 167.80 : x
  2. Step 2: Convert to fraction form
    260.92/360.26 = 167.80/x
  3. Step 3: Cross multiply
    260.92x = 360.26 × 167.80
  4. Step 4: Simplify right side
    260.92x = 60,451.63
  5. Step 5: Solve for x
    x = 60,451.63/260.92
  6. Step 6: Final answer
    x = 231.69

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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.