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Finding the Fourth Proportional to 73,793.66, 110,679.44 and 20,480.01

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Solution

The fourth proportional to 73,793.66, 110,679.44 and 20,480.01 is: 30,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,793.66 : 110,679.44 = 20,480.01 : x
  2. Step 2: Convert to fraction form
    73,793.66/110,679.44 = 20,480.01/x
  3. Step 3: Cross multiply
    73,793.66x = 110,679.44 × 20,480.01
  4. Step 4: Simplify right side
    73,793.66x = 2,266,716,512.00
  5. Step 5: Solve for x
    x = 2,266,716,512.00/73,793.66
  6. Step 6: Final answer
    x = 30,716.96

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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.