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Finding the Fourth Proportional to 266.73, 367.98 and 167.09

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Solution

The fourth proportional to 266.73, 367.98 and 167.09 is: 230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.73 : 367.98 = 167.09 : x
  2. Step 2: Convert to fraction form
    266.73/367.98 = 167.09/x
  3. Step 3: Cross multiply
    266.73x = 367.98 × 167.09
  4. Step 4: Simplify right side
    266.73x = 61,484.35
  5. Step 5: Solve for x
    x = 61,484.35/266.73
  6. Step 6: Final answer
    x = 230.51

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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.