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Finding the Fourth Proportional to 207,892.38, 311,835.84 and 50,119.57

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Solution

The fourth proportional to 207,892.38, 311,835.84 and 50,119.57 is: 75,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,892.38 : 311,835.84 = 50,119.57 : x
  2. Step 2: Convert to fraction form
    207,892.38/311,835.84 = 50,119.57/x
  3. Step 3: Cross multiply
    207,892.38x = 311,835.84 × 50,119.57
  4. Step 4: Simplify right side
    207,892.38x = 15,629,078,211.39
  5. Step 5: Solve for x
    x = 15,629,078,211.39/207,892.38
  6. Step 6: Final answer
    x = 75,178.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.