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Finding the Fourth Proportional to 183.37, 252.99 and 109.66

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Solution

The fourth proportional to 183.37, 252.99 and 109.66 is: 151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.37 : 252.99 = 109.66 : x
  2. Step 2: Convert to fraction form
    183.37/252.99 = 109.66/x
  3. Step 3: Cross multiply
    183.37x = 252.99 × 109.66
  4. Step 4: Simplify right side
    183.37x = 27,742.88
  5. Step 5: Solve for x
    x = 27,742.88/183.37
  6. Step 6: Final answer
    x = 151.29

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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.