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Finding the Fourth Proportional to 251.12, 376.62 and 183.44

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Solution

The fourth proportional to 251.12, 376.62 and 183.44 is: 275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.12 : 376.62 = 183.44 : x
  2. Step 2: Convert to fraction form
    251.12/376.62 = 183.44/x
  3. Step 3: Cross multiply
    251.12x = 376.62 × 183.44
  4. Step 4: Simplify right side
    251.12x = 69,087.17
  5. Step 5: Solve for x
    x = 69,087.17/251.12
  6. Step 6: Final answer
    x = 275.12

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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.