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Finding the Fourth Proportional to 231.34, 346.82 and 94.34

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Solution

The fourth proportional to 231.34, 346.82 and 94.34 is: 141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.34 : 346.82 = 94.34 : x
  2. Step 2: Convert to fraction form
    231.34/346.82 = 94.34/x
  3. Step 3: Cross multiply
    231.34x = 346.82 × 94.34
  4. Step 4: Simplify right side
    231.34x = 32,719.00
  5. Step 5: Solve for x
    x = 32,719.00/231.34
  6. Step 6: Final answer
    x = 141.43

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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.