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Finding the Fourth Proportional to 236.60, 326.01 and 170.99

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Solution

The fourth proportional to 236.60, 326.01 and 170.99 is: 235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.60 : 326.01 = 170.99 : x
  2. Step 2: Convert to fraction form
    236.60/326.01 = 170.99/x
  3. Step 3: Cross multiply
    236.60x = 326.01 × 170.99
  4. Step 4: Simplify right side
    236.60x = 55,742.82
  5. Step 5: Solve for x
    x = 55,742.82/236.60
  6. Step 6: Final answer
    x = 235.60

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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.