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Finding the Fourth Proportional to 202,249.72, 303,410.22 and 69,098.68

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Solution

The fourth proportional to 202,249.72, 303,410.22 and 69,098.68 is: 103,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,249.72 : 303,410.22 = 69,098.68 : x
  2. Step 2: Convert to fraction form
    202,249.72/303,410.22 = 69,098.68/x
  3. Step 3: Cross multiply
    202,249.72x = 303,410.22 × 69,098.68
  4. Step 4: Simplify right side
    202,249.72x = 20,965,245,700.51
  5. Step 5: Solve for x
    x = 20,965,245,700.51/202,249.72
  6. Step 6: Final answer
    x = 103,660.20

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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.