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Finding the Fourth Proportional to 207,937.70, 311,903.67 and 50,164.82

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Solution

The fourth proportional to 207,937.70, 311,903.67 and 50,164.82 is: 75,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,937.70 : 311,903.67 = 50,164.82 : x
  2. Step 2: Convert to fraction form
    207,937.70/311,903.67 = 50,164.82/x
  3. Step 3: Cross multiply
    207,937.70x = 311,903.67 × 50,164.82
  4. Step 4: Simplify right side
    207,937.70x = 15,646,591,462.89
  5. Step 5: Solve for x
    x = 15,646,591,462.89/207,937.70
  6. Step 6: Final answer
    x = 75,246.54

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1.5x scale

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.