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Finding the Fourth Proportional to 202,556.69, 303,849.81 and 69,435.83

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Solution

The fourth proportional to 202,556.69, 303,849.81 and 69,435.83 is: 104,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,556.69 : 303,849.81 = 69,435.83 : x
  2. Step 2: Convert to fraction form
    202,556.69/303,849.81 = 69,435.83/x
  3. Step 3: Cross multiply
    202,556.69x = 303,849.81 × 69,435.83
  4. Step 4: Simplify right side
    202,556.69x = 21,098,062,233.44
  5. Step 5: Solve for x
    x = 21,098,062,233.44/202,556.69
  6. Step 6: Final answer
    x = 104,158.80

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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.