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Finding the Fourth Proportional to 236.17, 325.41 and 194.59

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Solution

The fourth proportional to 236.17, 325.41 and 194.59 is: 268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.17 : 325.41 = 194.59 : x
  2. Step 2: Convert to fraction form
    236.17/325.41 = 194.59/x
  3. Step 3: Cross multiply
    236.17x = 325.41 × 194.59
  4. Step 4: Simplify right side
    236.17x = 63,321.53
  5. Step 5: Solve for x
    x = 63,321.53/236.17
  6. Step 6: Final answer
    x = 268.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.