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Finding the Fourth Proportional to 234.63, 351.77 and 132.06

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Solution

The fourth proportional to 234.63, 351.77 and 132.06 is: 197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.63 : 351.77 = 132.06 : x
  2. Step 2: Convert to fraction form
    234.63/351.77 = 132.06/x
  3. Step 3: Cross multiply
    234.63x = 351.77 × 132.06
  4. Step 4: Simplify right side
    234.63x = 46,454.09
  5. Step 5: Solve for x
    x = 46,454.09/234.63
  6. Step 6: Final answer
    x = 197.99

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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.