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Finding the Fourth Proportional to 445,105.92, 667,760.64 and 149,617.92

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Solution

The fourth proportional to 445,105.92, 667,760.64 and 149,617.92 is: 224,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,105.92 : 667,760.64 = 149,617.92 : x
  2. Step 2: Convert to fraction form
    445,105.92/667,760.64 = 149,617.92/x
  3. Step 3: Cross multiply
    445,105.92x = 667,760.64 × 149,617.92
  4. Step 4: Simplify right side
    445,105.92x = 99,908,958,014.67
  5. Step 5: Solve for x
    x = 99,908,958,014.67/445,105.92
  6. Step 6: Final answer
    x = 224,461.09

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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.