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Finding the Fourth Proportional to 150,625.68, 225,940.14 and 45,445.56

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Solution

The fourth proportional to 150,625.68, 225,940.14 and 45,445.56 is: 68,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,625.68 : 225,940.14 = 45,445.56 : x
  2. Step 2: Convert to fraction form
    150,625.68/225,940.14 = 45,445.56/x
  3. Step 3: Cross multiply
    150,625.68x = 225,940.14 × 45,445.56
  4. Step 4: Simplify right side
    150,625.68x = 10,267,976,188.78
  5. Step 5: Solve for x
    x = 10,267,976,188.78/150,625.68
  6. Step 6: Final answer
    x = 68,168.83

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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.