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Finding the Fourth Proportional to 193.14, 266.63 and 119.50

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Solution

The fourth proportional to 193.14, 266.63 and 119.50 is: 164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.14 : 266.63 = 119.50 : x
  2. Step 2: Convert to fraction form
    193.14/266.63 = 119.50/x
  3. Step 3: Cross multiply
    193.14x = 266.63 × 119.50
  4. Step 4: Simplify right side
    193.14x = 31,862.29
  5. Step 5: Solve for x
    x = 31,862.29/193.14
  6. Step 6: Final answer
    x = 164.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.