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Finding the Fourth Proportional to 234.93, 324.30 and 169.53

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Solution

The fourth proportional to 234.93, 324.30 and 169.53 is: 234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.93 : 324.30 = 169.53 : x
  2. Step 2: Convert to fraction form
    234.93/324.30 = 169.53/x
  3. Step 3: Cross multiply
    234.93x = 324.30 × 169.53
  4. Step 4: Simplify right side
    234.93x = 54,976.96
  5. Step 5: Solve for x
    x = 54,976.96/234.93
  6. Step 6: Final answer
    x = 234.01

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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.