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Finding the Fourth Proportional to 202,645.87, 303,974.98 and 69,524.26

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Solution

The fourth proportional to 202,645.87, 303,974.98 and 69,524.26 is: 104,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,645.87 : 303,974.98 = 69,524.26 : x
  2. Step 2: Convert to fraction form
    202,645.87/303,974.98 = 69,524.26/x
  3. Step 3: Cross multiply
    202,645.87x = 303,974.98 × 69,524.26
  4. Step 4: Simplify right side
    202,645.87x = 21,133,634,609.27
  5. Step 5: Solve for x
    x = 21,133,634,609.27/202,645.87
  6. Step 6: Final answer
    x = 104,288.51

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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.