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Finding the Fourth Proportional to 73,163.68, 109,745.52 and 33,713.44

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Solution

The fourth proportional to 73,163.68, 109,745.52 and 33,713.44 is: 50,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.68 : 109,745.52 = 33,713.44 : x
  2. Step 2: Convert to fraction form
    73,163.68/109,745.52 = 33,713.44/x
  3. Step 3: Cross multiply
    73,163.68x = 109,745.52 × 33,713.44
  4. Step 4: Simplify right side
    73,163.68x = 3,699,899,003.79
  5. Step 5: Solve for x
    x = 3,699,899,003.79/73,163.68
  6. Step 6: Final answer
    x = 50,570.16

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1.5x scale

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.