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Finding the Fourth Proportional to 266.12, 367.26 and 167.84

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Solution

The fourth proportional to 266.12, 367.26 and 167.84 is: 231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.12 : 367.26 = 167.84 : x
  2. Step 2: Convert to fraction form
    266.12/367.26 = 167.84/x
  3. Step 3: Cross multiply
    266.12x = 367.26 × 167.84
  4. Step 4: Simplify right side
    266.12x = 61,640.92
  5. Step 5: Solve for x
    x = 61,640.92/266.12
  6. Step 6: Final answer
    x = 231.63

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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.