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Finding the Fourth Proportional to 234.25, 350.96 and 176.20

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Solution

The fourth proportional to 234.25, 350.96 and 176.20 is: 263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.25 : 350.96 = 176.20 : x
  2. Step 2: Convert to fraction form
    234.25/350.96 = 176.20/x
  3. Step 3: Cross multiply
    234.25x = 350.96 × 176.20
  4. Step 4: Simplify right side
    234.25x = 61,837.39
  5. Step 5: Solve for x
    x = 61,837.39/234.25
  6. Step 6: Final answer
    x = 263.98

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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.