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Finding the Fourth Proportional to 193.12, 266.49 and 110.22

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Solution

The fourth proportional to 193.12, 266.49 and 110.22 is: 152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.12 : 266.49 = 110.22 : x
  2. Step 2: Convert to fraction form
    193.12/266.49 = 110.22/x
  3. Step 3: Cross multiply
    193.12x = 266.49 × 110.22
  4. Step 4: Simplify right side
    193.12x = 29,372.53
  5. Step 5: Solve for x
    x = 29,372.53/193.12
  6. Step 6: Final answer
    x = 152.09

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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.