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Finding the Fourth Proportional to 266.29, 367.54 and 168.18

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Solution

The fourth proportional to 266.29, 367.54 and 168.18 is: 232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.29 : 367.54 = 168.18 : x
  2. Step 2: Convert to fraction form
    266.29/367.54 = 168.18/x
  3. Step 3: Cross multiply
    266.29x = 367.54 × 168.18
  4. Step 4: Simplify right side
    266.29x = 61,810.20
  5. Step 5: Solve for x
    x = 61,810.20/266.29
  6. Step 6: Final answer
    x = 232.12

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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.