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Finding the Fourth Proportional to 235.26, 324.18 and 193.68

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Solution

The fourth proportional to 235.26, 324.18 and 193.68 is: 266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.26 : 324.18 = 193.68 : x
  2. Step 2: Convert to fraction form
    235.26/324.18 = 193.68/x
  3. Step 3: Cross multiply
    235.26x = 324.18 × 193.68
  4. Step 4: Simplify right side
    235.26x = 62,787.18
  5. Step 5: Solve for x
    x = 62,787.18/235.26
  6. Step 6: Final answer
    x = 266.88

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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.