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Finding the Fourth Proportional to 111,297.91, 166,944.43 and 27,058.52

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Solution

The fourth proportional to 111,297.91, 166,944.43 and 27,058.52 is: 40,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,297.91 : 166,944.43 = 27,058.52 : x
  2. Step 2: Convert to fraction form
    111,297.91/166,944.43 = 27,058.52/x
  3. Step 3: Cross multiply
    111,297.91x = 166,944.43 × 27,058.52
  4. Step 4: Simplify right side
    111,297.91x = 4,517,269,198.04
  5. Step 5: Solve for x
    x = 4,517,269,198.04/111,297.91
  6. Step 6: Final answer
    x = 40,587.19

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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.