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Finding the Fourth Proportional to 150,227.46, 207,299.48 and 89,786.06

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Solution

The fourth proportional to 150,227.46, 207,299.48 and 89,786.06 is: 123,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,227.46 : 207,299.48 = 89,786.06 : x
  2. Step 2: Convert to fraction form
    150,227.46/207,299.48 = 89,786.06/x
  3. Step 3: Cross multiply
    150,227.46x = 207,299.48 × 89,786.06
  4. Step 4: Simplify right side
    150,227.46x = 18,612,603,549.25
  5. Step 5: Solve for x
    x = 18,612,603,549.25/150,227.46
  6. Step 6: Final answer
    x = 123,896.15

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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.