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Finding the Fourth Proportional to 73,163.37, 109,694.63 and 28,795.22

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Solution

The fourth proportional to 73,163.37, 109,694.63 and 28,795.22 is: 43,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.37 : 109,694.63 = 28,795.22 : x
  2. Step 2: Convert to fraction form
    73,163.37/109,694.63 = 28,795.22/x
  3. Step 3: Cross multiply
    73,163.37x = 109,694.63 × 28,795.22
  4. Step 4: Simplify right side
    73,163.37x = 3,158,680,311.22
  5. Step 5: Solve for x
    x = 3,158,680,311.22/73,163.37
  6. Step 6: Final answer
    x = 43,172.97

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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.