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Finding the Fourth Proportional to 193.26, 266.67 and 109.24

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Solution

The fourth proportional to 193.26, 266.67 and 109.24 is: 150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.26 : 266.67 = 109.24 : x
  2. Step 2: Convert to fraction form
    193.26/266.67 = 109.24/x
  3. Step 3: Cross multiply
    193.26x = 266.67 × 109.24
  4. Step 4: Simplify right side
    193.26x = 29,131.03
  5. Step 5: Solve for x
    x = 29,131.03/193.26
  6. Step 6: Final answer
    x = 150.73

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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.