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Finding the Fourth Proportional to 265.87, 367.01 and 167.61

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Solution

The fourth proportional to 265.87, 367.01 and 167.61 is: 231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.87 : 367.01 = 167.61 : x
  2. Step 2: Convert to fraction form
    265.87/367.01 = 167.61/x
  3. Step 3: Cross multiply
    265.87x = 367.01 × 167.61
  4. Step 4: Simplify right side
    265.87x = 61,514.55
  5. Step 5: Solve for x
    x = 61,514.55/265.87
  6. Step 6: Final answer
    x = 231.37

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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.