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Finding the Fourth Proportional to 234.47, 351.35 and 173.32

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Solution

The fourth proportional to 234.47, 351.35 and 173.32 is: 259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.47 : 351.35 = 173.32 : x
  2. Step 2: Convert to fraction form
    234.47/351.35 = 173.32/x
  3. Step 3: Cross multiply
    234.47x = 351.35 × 173.32
  4. Step 4: Simplify right side
    234.47x = 60,893.36
  5. Step 5: Solve for x
    x = 60,893.36/234.47
  6. Step 6: Final answer
    x = 259.71

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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.