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Finding the Fourth Proportional to 200,385.31, 300,577.97 and 50,626.03

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Solution

The fourth proportional to 200,385.31, 300,577.97 and 50,626.03 is: 75,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,385.31 : 300,577.97 = 50,626.03 : x
  2. Step 2: Convert to fraction form
    200,385.31/300,577.97 = 50,626.03/x
  3. Step 3: Cross multiply
    200,385.31x = 300,577.97 × 50,626.03
  4. Step 4: Simplify right side
    200,385.31x = 15,217,067,570.54
  5. Step 5: Solve for x
    x = 15,217,067,570.54/200,385.31
  6. Step 6: Final answer
    x = 75,939.04

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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.