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Finding the Fourth Proportional to 235.67, 353.18 and 125.96

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Solution

The fourth proportional to 235.67, 353.18 and 125.96 is: 188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.67 : 353.18 = 125.96 : x
  2. Step 2: Convert to fraction form
    235.67/353.18 = 125.96/x
  3. Step 3: Cross multiply
    235.67x = 353.18 × 125.96
  4. Step 4: Simplify right side
    235.67x = 44,484.16
  5. Step 5: Solve for x
    x = 44,484.16/235.67
  6. Step 6: Final answer
    x = 188.76

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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.