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Finding the Fourth Proportional to 182.15, 251.25 and 104.53

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Solution

The fourth proportional to 182.15, 251.25 and 104.53 is: 144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.15 : 251.25 = 104.53 : x
  2. Step 2: Convert to fraction form
    182.15/251.25 = 104.53/x
  3. Step 3: Cross multiply
    182.15x = 251.25 × 104.53
  4. Step 4: Simplify right side
    182.15x = 26,261.91
  5. Step 5: Solve for x
    x = 26,261.91/182.15
  6. Step 6: Final answer
    x = 144.18

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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.