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Finding the Fourth Proportional to 266.66, 367.96 and 168.46

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Solution

The fourth proportional to 266.66, 367.96 and 168.46 is: 232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.66 : 367.96 = 168.46 : x
  2. Step 2: Convert to fraction form
    266.66/367.96 = 168.46/x
  3. Step 3: Cross multiply
    266.66x = 367.96 × 168.46
  4. Step 4: Simplify right side
    266.66x = 61,986.54
  5. Step 5: Solve for x
    x = 61,986.54/266.66
  6. Step 6: Final answer
    x = 232.46

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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.