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Finding the Fourth Proportional to 192.33, 286.83 and 183.15

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Solution

The fourth proportional to 192.33, 286.83 and 183.15 is: 273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.33 : 286.83 = 183.15 : x
  2. Step 2: Convert to fraction form
    192.33/286.83 = 183.15/x
  3. Step 3: Cross multiply
    192.33x = 286.83 × 183.15
  4. Step 4: Simplify right side
    192.33x = 52,532.91
  5. Step 5: Solve for x
    x = 52,532.91/192.33
  6. Step 6: Final answer
    x = 273.14

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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.