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Finding the Fourth Proportional to 202,344.50, 303,445.49 and 67,371.90

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Solution

The fourth proportional to 202,344.50, 303,445.49 and 67,371.90 is: 101,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.50 : 303,445.49 = 67,371.90 : x
  2. Step 2: Convert to fraction form
    202,344.50/303,445.49 = 67,371.90/x
  3. Step 3: Cross multiply
    202,344.50x = 303,445.49 × 67,371.90
  4. Step 4: Simplify right side
    202,344.50x = 20,443,698,870.87
  5. Step 5: Solve for x
    x = 20,443,698,870.87/202,344.50
  6. Step 6: Final answer
    x = 101,034.12

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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.