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Finding the Fourth Proportional to 236.27, 354.50 and 92

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Solution

The fourth proportional to 236.27, 354.50 and 92 is: 138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.27 : 354.50 = 92 : x
  2. Step 2: Convert to fraction form
    236.27/354.50 = 92/x
  3. Step 3: Cross multiply
    236.27x = 354.50 × 92
  4. Step 4: Simplify right side
    236.27x = 32,614
  5. Step 5: Solve for x
    x = 32,614/236.27
  6. Step 6: Final answer
    x = 138.04

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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.