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Finding the Fourth Proportional to 202,279.15, 303,468.11 and 67,342.96

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Solution

The fourth proportional to 202,279.15, 303,468.11 and 67,342.96 is: 101,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.15 : 303,468.11 = 67,342.96 : x
  2. Step 2: Convert to fraction form
    202,279.15/303,468.11 = 67,342.96/x
  3. Step 3: Cross multiply
    202,279.15x = 303,468.11 × 67,342.96
  4. Step 4: Simplify right side
    202,279.15x = 20,436,438,938.95
  5. Step 5: Solve for x
    x = 20,436,438,938.95/202,279.15
  6. Step 6: Final answer
    x = 101,030.87

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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.