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Finding the Fourth Proportional to 207,843.77, 311,765.81 and 50,072.38

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Solution

The fourth proportional to 207,843.77, 311,765.81 and 50,072.38 is: 75,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,843.77 : 311,765.81 = 50,072.38 : x
  2. Step 2: Convert to fraction form
    207,843.77/311,765.81 = 50,072.38/x
  3. Step 3: Cross multiply
    207,843.77x = 311,765.81 × 50,072.38
  4. Step 4: Simplify right side
    207,843.77x = 15,610,855,079.55
  5. Step 5: Solve for x
    x = 15,610,855,079.55/207,843.77
  6. Step 6: Final answer
    x = 75,108.60

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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.