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Finding the Fourth Proportional to 73,491.27, 110,236.67 and 20,183.30

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Solution

The fourth proportional to 73,491.27, 110,236.67 and 20,183.30 is: 30,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491.27 : 110,236.67 = 20,183.30 : x
  2. Step 2: Convert to fraction form
    73,491.27/110,236.67 = 20,183.30/x
  3. Step 3: Cross multiply
    73,491.27x = 110,236.67 × 20,183.30
  4. Step 4: Simplify right side
    73,491.27x = 2,224,939,781.61
  5. Step 5: Solve for x
    x = 2,224,939,781.61/73,491.27
  6. Step 6: Final answer
    x = 30,274.89

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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.