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Finding the Fourth Proportional to 202,167.81, 303,310.04 and 61,947.09

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Solution

The fourth proportional to 202,167.81, 303,310.04 and 61,947.09 is: 92,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,167.81 : 303,310.04 = 61,947.09 : x
  2. Step 2: Convert to fraction form
    202,167.81/303,310.04 = 61,947.09/x
  3. Step 3: Cross multiply
    202,167.81x = 303,310.04 × 61,947.09
  4. Step 4: Simplify right side
    202,167.81x = 18,789,174,036.05
  5. Step 5: Solve for x
    x = 18,789,174,036.05/202,167.81
  6. Step 6: Final answer
    x = 92,938.51

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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.