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Finding the Fourth Proportional to 202,167.09, 303,246.49 and 89,816.85

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Solution

The fourth proportional to 202,167.09, 303,246.49 and 89,816.85 is: 134,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,167.09 : 303,246.49 = 89,816.85 : x
  2. Step 2: Convert to fraction form
    202,167.09/303,246.49 = 89,816.85/x
  3. Step 3: Cross multiply
    202,167.09x = 303,246.49 × 89,816.85
  4. Step 4: Simplify right side
    202,167.09x = 27,236,644,505.36
  5. Step 5: Solve for x
    x = 27,236,644,505.36/202,167.09
  6. Step 6: Final answer
    x = 134,723.43

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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.