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Finding the Fourth Proportional to 252.11, 377.56 and 183.77

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Solution

The fourth proportional to 252.11, 377.56 and 183.77 is: 275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.11 : 377.56 = 183.77 : x
  2. Step 2: Convert to fraction form
    252.11/377.56 = 183.77/x
  3. Step 3: Cross multiply
    252.11x = 377.56 × 183.77
  4. Step 4: Simplify right side
    252.11x = 69,383.96
  5. Step 5: Solve for x
    x = 69,383.96/252.11
  6. Step 6: Final answer
    x = 275.21

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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.