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Finding the Fourth Proportional to 202,379.64, 303,563.31 and 52,616.63

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Solution

The fourth proportional to 202,379.64, 303,563.31 and 52,616.63 is: 78,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,379.64 : 303,563.31 = 52,616.63 : x
  2. Step 2: Convert to fraction form
    202,379.64/303,563.31 = 52,616.63/x
  3. Step 3: Cross multiply
    202,379.64x = 303,563.31 × 52,616.63
  4. Step 4: Simplify right side
    202,379.64x = 15,972,476,846.03
  5. Step 5: Solve for x
    x = 15,972,476,846.03/202,379.64
  6. Step 6: Final answer
    x = 78,923.34

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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.