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Finding the Fourth Proportional to 188.99, 262.01 and 182.31

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Solution

The fourth proportional to 188.99, 262.01 and 182.31 is: 252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.99 : 262.01 = 182.31 : x
  2. Step 2: Convert to fraction form
    188.99/262.01 = 182.31/x
  3. Step 3: Cross multiply
    188.99x = 262.01 × 182.31
  4. Step 4: Simplify right side
    188.99x = 47,764.82
  5. Step 5: Solve for x
    x = 47,764.82/188.99
  6. Step 6: Final answer
    x = 252.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.