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Finding the Fourth Proportional to 231.35, 346.91 and 94.37

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Solution

The fourth proportional to 231.35, 346.91 and 94.37 is: 141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.35 : 346.91 = 94.37 : x
  2. Step 2: Convert to fraction form
    231.35/346.91 = 94.37/x
  3. Step 3: Cross multiply
    231.35x = 346.91 × 94.37
  4. Step 4: Simplify right side
    231.35x = 32,735.69
  5. Step 5: Solve for x
    x = 32,735.69/231.35
  6. Step 6: Final answer
    x = 141.50

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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.