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Finding the Fourth Proportional to 183.25, 252.90 and 104.59

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Solution

The fourth proportional to 183.25, 252.90 and 104.59 is: 144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.25 : 252.90 = 104.59 : x
  2. Step 2: Convert to fraction form
    183.25/252.90 = 104.59/x
  3. Step 3: Cross multiply
    183.25x = 252.90 × 104.59
  4. Step 4: Simplify right side
    183.25x = 26,450.81
  5. Step 5: Solve for x
    x = 26,450.81/183.25
  6. Step 6: Final answer
    x = 144.34

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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.