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Finding the Fourth Proportional to 202,286.10, 303,469.65 and 60,131.10

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Solution

The fourth proportional to 202,286.10, 303,469.65 and 60,131.10 is: 90,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286.10 : 303,469.65 = 60,131.10 : x
  2. Step 2: Convert to fraction form
    202,286.10/303,469.65 = 60,131.10/x
  3. Step 3: Cross multiply
    202,286.10x = 303,469.65 × 60,131.10
  4. Step 4: Simplify right side
    202,286.10x = 18,247,963,871.12
  5. Step 5: Solve for x
    x = 18,247,963,871.12/202,286.10
  6. Step 6: Final answer
    x = 90,208.69

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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.