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Finding the Fourth Proportional to 260.46, 359.35 and 167.26

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Solution

The fourth proportional to 260.46, 359.35 and 167.26 is: 230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.46 : 359.35 = 167.26 : x
  2. Step 2: Convert to fraction form
    260.46/359.35 = 167.26/x
  3. Step 3: Cross multiply
    260.46x = 359.35 × 167.26
  4. Step 4: Simplify right side
    260.46x = 60,102.25
  5. Step 5: Solve for x
    x = 60,102.25/260.46
  6. Step 6: Final answer
    x = 230.75

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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.