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Finding the Fourth Proportional to 234, 350.68 and 125.84

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Solution

The fourth proportional to 234, 350.68 and 125.84 is: 188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234 : 350.68 = 125.84 : x
  2. Step 2: Convert to fraction form
    234/350.68 = 125.84/x
  3. Step 3: Cross multiply
    234x = 350.68 × 125.84
  4. Step 4: Simplify right side
    234x = 44,129.57
  5. Step 5: Solve for x
    x = 44,129.57/234
  6. Step 6: Final answer
    x = 188.59

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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.