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Finding the Fourth Proportional to 183.99, 275.79 and 92.49

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Solution

The fourth proportional to 183.99, 275.79 and 92.49 is: 138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.99 : 275.79 = 92.49 : x
  2. Step 2: Convert to fraction form
    183.99/275.79 = 92.49/x
  3. Step 3: Cross multiply
    183.99x = 275.79 × 92.49
  4. Step 4: Simplify right side
    183.99x = 25,507.82
  5. Step 5: Solve for x
    x = 25,507.82/183.99
  6. Step 6: Final answer
    x = 138.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.