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Finding the Fourth Proportional to 183.67, 253.33 and 136.97

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Solution

The fourth proportional to 183.67, 253.33 and 136.97 is: 188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.67 : 253.33 = 136.97 : x
  2. Step 2: Convert to fraction form
    183.67/253.33 = 136.97/x
  3. Step 3: Cross multiply
    183.67x = 253.33 × 136.97
  4. Step 4: Simplify right side
    183.67x = 34,698.84
  5. Step 5: Solve for x
    x = 34,698.84/183.67
  6. Step 6: Final answer
    x = 188.92

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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.