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Finding the Fourth Proportional to 236.27, 354.49 and 114.53

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Solution

The fourth proportional to 236.27, 354.49 and 114.53 is: 171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.27 : 354.49 = 114.53 : x
  2. Step 2: Convert to fraction form
    236.27/354.49 = 114.53/x
  3. Step 3: Cross multiply
    236.27x = 354.49 × 114.53
  4. Step 4: Simplify right side
    236.27x = 40,597.68
  5. Step 5: Solve for x
    x = 40,597.68/236.27
  6. Step 6: Final answer
    x = 171.83

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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.