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Finding the Fourth Proportional to 234.06, 350.91 and 125.91

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Solution

The fourth proportional to 234.06, 350.91 and 125.91 is: 188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.06 : 350.91 = 125.91 : x
  2. Step 2: Convert to fraction form
    234.06/350.91 = 125.91/x
  3. Step 3: Cross multiply
    234.06x = 350.91 × 125.91
  4. Step 4: Simplify right side
    234.06x = 44,183.08
  5. Step 5: Solve for x
    x = 44,183.08/234.06
  6. Step 6: Final answer
    x = 188.77

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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.