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Finding the Fourth Proportional to 170.36, 236.04 and 167.74

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Solution

The fourth proportional to 170.36, 236.04 and 167.74 is: 232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.36 : 236.04 = 167.74 : x
  2. Step 2: Convert to fraction form
    170.36/236.04 = 167.74/x
  3. Step 3: Cross multiply
    170.36x = 236.04 × 167.74
  4. Step 4: Simplify right side
    170.36x = 39,593.35
  5. Step 5: Solve for x
    x = 39,593.35/170.36
  6. Step 6: Final answer
    x = 232.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.