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Finding the Fourth Proportional to 234.98, 324.22 and 141.74

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Solution

The fourth proportional to 234.98, 324.22 and 141.74 is: 195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.98 : 324.22 = 141.74 : x
  2. Step 2: Convert to fraction form
    234.98/324.22 = 141.74/x
  3. Step 3: Cross multiply
    234.98x = 324.22 × 141.74
  4. Step 4: Simplify right side
    234.98x = 45,954.94
  5. Step 5: Solve for x
    x = 45,954.94/234.98
  6. Step 6: Final answer
    x = 195.57

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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.