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Finding the Fourth Proportional to 266, 367.24 and 174.16

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Solution

The fourth proportional to 266, 367.24 and 174.16 is: 240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266 : 367.24 = 174.16 : x
  2. Step 2: Convert to fraction form
    266/367.24 = 174.16/x
  3. Step 3: Cross multiply
    266x = 367.24 × 174.16
  4. Step 4: Simplify right side
    266x = 63,958.52
  5. Step 5: Solve for x
    x = 63,958.52/266
  6. Step 6: Final answer
    x = 240.45

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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.