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Finding the Fourth Proportional to 260.54, 359.63 and 167.43

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Solution

The fourth proportional to 260.54, 359.63 and 167.43 is: 231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.54 : 359.63 = 167.43 : x
  2. Step 2: Convert to fraction form
    260.54/359.63 = 167.43/x
  3. Step 3: Cross multiply
    260.54x = 359.63 × 167.43
  4. Step 4: Simplify right side
    260.54x = 60,212.85
  5. Step 5: Solve for x
    x = 60,212.85/260.54
  6. Step 6: Final answer
    x = 231.11

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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.