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Finding the Fourth Proportional to 236.44, 325.98 and 170.86

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Solution

The fourth proportional to 236.44, 325.98 and 170.86 is: 235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.44 : 325.98 = 170.86 : x
  2. Step 2: Convert to fraction form
    236.44/325.98 = 170.86/x
  3. Step 3: Cross multiply
    236.44x = 325.98 × 170.86
  4. Step 4: Simplify right side
    236.44x = 55,696.94
  5. Step 5: Solve for x
    x = 55,696.94/236.44
  6. Step 6: Final answer
    x = 235.56

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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.