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Finding the Fourth Proportional to 234.44, 351.57 and 88.22

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Solution

The fourth proportional to 234.44, 351.57 and 88.22 is: 132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.44 : 351.57 = 88.22 : x
  2. Step 2: Convert to fraction form
    234.44/351.57 = 88.22/x
  3. Step 3: Cross multiply
    234.44x = 351.57 × 88.22
  4. Step 4: Simplify right side
    234.44x = 31,015.51
  5. Step 5: Solve for x
    x = 31,015.51/234.44
  6. Step 6: Final answer
    x = 132.30

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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.