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Finding the Fourth Proportional to 73,755.44, 110,633.18 and 18,351.44

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Solution

The fourth proportional to 73,755.44, 110,633.18 and 18,351.44 is: 27,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.44 : 110,633.18 = 18,351.44 : x
  2. Step 2: Convert to fraction form
    73,755.44/110,633.18 = 18,351.44/x
  3. Step 3: Cross multiply
    73,755.44x = 110,633.18 × 18,351.44
  4. Step 4: Simplify right side
    73,755.44x = 2,030,277,519.86
  5. Step 5: Solve for x
    x = 2,030,277,519.86/73,755.44
  6. Step 6: Final answer
    x = 27,527.16

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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.