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Finding the Fourth Proportional to 183.13, 252.74 and 104.48

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Solution

The fourth proportional to 183.13, 252.74 and 104.48 is: 144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.13 : 252.74 = 104.48 : x
  2. Step 2: Convert to fraction form
    183.13/252.74 = 104.48/x
  3. Step 3: Cross multiply
    183.13x = 252.74 × 104.48
  4. Step 4: Simplify right side
    183.13x = 26,406.28
  5. Step 5: Solve for x
    x = 26,406.28/183.13
  6. Step 6: Final answer
    x = 144.19

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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.