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Finding the Fourth Proportional to 193.14, 266.54 and 119.44

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Solution

The fourth proportional to 193.14, 266.54 and 119.44 is: 164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.14 : 266.54 = 119.44 : x
  2. Step 2: Convert to fraction form
    193.14/266.54 = 119.44/x
  3. Step 3: Cross multiply
    193.14x = 266.54 × 119.44
  4. Step 4: Simplify right side
    193.14x = 31,835.27
  5. Step 5: Solve for x
    x = 31,835.27/193.14
  6. Step 6: Final answer
    x = 164.83

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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.