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Finding the Fourth Proportional to 234.48, 351.15 and 176.64

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Solution

The fourth proportional to 234.48, 351.15 and 176.64 is: 264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.48 : 351.15 = 176.64 : x
  2. Step 2: Convert to fraction form
    234.48/351.15 = 176.64/x
  3. Step 3: Cross multiply
    234.48x = 351.15 × 176.64
  4. Step 4: Simplify right side
    234.48x = 62,027.14
  5. Step 5: Solve for x
    x = 62,027.14/234.48
  6. Step 6: Final answer
    x = 264.53

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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.