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Finding the Fourth Proportional to 150,227.87, 207,311.41 and 86,561.87

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Solution

The fourth proportional to 150,227.87, 207,311.41 and 86,561.87 is: 119,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,227.87 : 207,311.41 = 86,561.87 : x
  2. Step 2: Convert to fraction form
    150,227.87/207,311.41 = 86,561.87/x
  3. Step 3: Cross multiply
    150,227.87x = 207,311.41 × 86,561.87
  4. Step 4: Simplify right side
    150,227.87x = 17,945,263,321.94
  5. Step 5: Solve for x
    x = 17,945,263,321.94/150,227.87
  6. Step 6: Final answer
    x = 119,453.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.