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Finding the Fourth Proportional to 150,604.68, 225,908.64 and 45,424.56

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Solution

The fourth proportional to 150,604.68, 225,908.64 and 45,424.56 is: 68,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,604.68 : 225,908.64 = 45,424.56 : x
  2. Step 2: Convert to fraction form
    150,604.68/225,908.64 = 45,424.56/x
  3. Step 3: Cross multiply
    150,604.68x = 225,908.64 × 45,424.56
  4. Step 4: Simplify right side
    150,604.68x = 10,261,800,572.20
  5. Step 5: Solve for x
    x = 10,261,800,572.20/150,604.68
  6. Step 6: Final answer
    x = 68,137.33

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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.