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Finding the Fourth Proportional to 236.55, 326.16 and 162.93

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Solution

The fourth proportional to 236.55, 326.16 and 162.93 is: 224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.55 : 326.16 = 162.93 : x
  2. Step 2: Convert to fraction form
    236.55/326.16 = 162.93/x
  3. Step 3: Cross multiply
    236.55x = 326.16 × 162.93
  4. Step 4: Simplify right side
    236.55x = 53,141.25
  5. Step 5: Solve for x
    x = 53,141.25/236.55
  6. Step 6: Final answer
    x = 224.65

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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.