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Finding the Fourth Proportional to 236.45, 326.00 and 170.93

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Solution

The fourth proportional to 236.45, 326.00 and 170.93 is: 235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.45 : 326.00 = 170.93 : x
  2. Step 2: Convert to fraction form
    236.45/326.00 = 170.93/x
  3. Step 3: Cross multiply
    236.45x = 326.00 × 170.93
  4. Step 4: Simplify right side
    236.45x = 55,721.98
  5. Step 5: Solve for x
    x = 55,721.98/236.45
  6. Step 6: Final answer
    x = 235.67

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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.