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Finding the Fourth Proportional to 73,441, 110,161.23 and 20,850.49

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Solution

The fourth proportional to 73,441, 110,161.23 and 20,850.49 is: 31,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,441 : 110,161.23 = 20,850.49 : x
  2. Step 2: Convert to fraction form
    73,441/110,161.23 = 20,850.49/x
  3. Step 3: Cross multiply
    73,441x = 110,161.23 × 20,850.49
  4. Step 4: Simplify right side
    73,441x = 2,296,915,624.50
  5. Step 5: Solve for x
    x = 2,296,915,624.50/73,441
  6. Step 6: Final answer
    x = 31,275.66

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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.