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Finding the Fourth Proportional to 202,418.69, 303,295.70 and 69,226.28

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Solution

The fourth proportional to 202,418.69, 303,295.70 and 69,226.28 is: 103,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,418.69 : 303,295.70 = 69,226.28 : x
  2. Step 2: Convert to fraction form
    202,418.69/303,295.70 = 69,226.28/x
  3. Step 3: Cross multiply
    202,418.69x = 303,295.70 × 69,226.28
  4. Step 4: Simplify right side
    202,418.69x = 20,996,031,188.39
  5. Step 5: Solve for x
    x = 20,996,031,188.39/202,418.69
  6. Step 6: Final answer
    x = 103,725.76

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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.