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Finding the Fourth Proportional to 234.13, 351.36 and 173.43

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Solution

The fourth proportional to 234.13, 351.36 and 173.43 is: 260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.13 : 351.36 = 173.43 : x
  2. Step 2: Convert to fraction form
    234.13/351.36 = 173.43/x
  3. Step 3: Cross multiply
    234.13x = 351.36 × 173.43
  4. Step 4: Simplify right side
    234.13x = 60,936.36
  5. Step 5: Solve for x
    x = 60,936.36/234.13
  6. Step 6: Final answer
    x = 260.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.