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Finding the Fourth Proportional to 234.36, 351.60 and 124.68

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Solution

The fourth proportional to 234.36, 351.60 and 124.68 is: 187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.36 : 351.60 = 124.68 : x
  2. Step 2: Convert to fraction form
    234.36/351.60 = 124.68/x
  3. Step 3: Cross multiply
    234.36x = 351.60 × 124.68
  4. Step 4: Simplify right side
    234.36x = 43,837.49
  5. Step 5: Solve for x
    x = 43,837.49/234.36
  6. Step 6: Final answer
    x = 187.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.