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Finding the Fourth Proportional to 150,453.90, 225,661.29 and 71,618.22

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Solution

The fourth proportional to 150,453.90, 225,661.29 and 71,618.22 is: 107,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,453.90 : 225,661.29 = 71,618.22 : x
  2. Step 2: Convert to fraction form
    150,453.90/225,661.29 = 71,618.22/x
  3. Step 3: Cross multiply
    150,453.90x = 225,661.29 × 71,618.22
  4. Step 4: Simplify right side
    150,453.90x = 16,161,459,912.70
  5. Step 5: Solve for x
    x = 16,161,459,912.70/150,453.90
  6. Step 6: Final answer
    x = 107,418.02

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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.