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Finding the Fourth Proportional to 183.75, 275.62 and 92.49

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Solution

The fourth proportional to 183.75, 275.62 and 92.49 is: 138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.75 : 275.62 = 92.49 : x
  2. Step 2: Convert to fraction form
    183.75/275.62 = 92.49/x
  3. Step 3: Cross multiply
    183.75x = 275.62 × 92.49
  4. Step 4: Simplify right side
    183.75x = 25,492.09
  5. Step 5: Solve for x
    x = 25,492.09/183.75
  6. Step 6: Final answer
    x = 138.73

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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.