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Finding the Fourth Proportional to 236.26, 354.14 and 114.35

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Solution

The fourth proportional to 236.26, 354.14 and 114.35 is: 171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.26 : 354.14 = 114.35 : x
  2. Step 2: Convert to fraction form
    236.26/354.14 = 114.35/x
  3. Step 3: Cross multiply
    236.26x = 354.14 × 114.35
  4. Step 4: Simplify right side
    236.26x = 40,496.22
  5. Step 5: Solve for x
    x = 40,496.22/236.26
  6. Step 6: Final answer
    x = 171.41

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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.