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Finding the Fourth Proportional to 202,227.75, 303,377.22 and 69,076.80

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Solution

The fourth proportional to 202,227.75, 303,377.22 and 69,076.80 is: 103,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,227.75 : 303,377.22 = 69,076.80 : x
  2. Step 2: Convert to fraction form
    202,227.75/303,377.22 = 69,076.80/x
  3. Step 3: Cross multiply
    202,227.75x = 303,377.22 × 69,076.80
  4. Step 4: Simplify right side
    202,227.75x = 20,956,327,550.50
  5. Step 5: Solve for x
    x = 20,956,327,550.50/202,227.75
  6. Step 6: Final answer
    x = 103,627.36

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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.