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Finding the Fourth Proportional to 183.16, 273.53 and 163

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Solution

The fourth proportional to 183.16, 273.53 and 163 is: 243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.16 : 273.53 = 163 : x
  2. Step 2: Convert to fraction form
    183.16/273.53 = 163/x
  3. Step 3: Cross multiply
    183.16x = 273.53 × 163
  4. Step 4: Simplify right side
    183.16x = 44,585.39
  5. Step 5: Solve for x
    x = 44,585.39/183.16
  6. Step 6: Final answer
    x = 243.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.