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Finding the Fourth Proportional to 445,369.92, 667,924.17 and 125,500.56

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Solution

The fourth proportional to 445,369.92, 667,924.17 and 125,500.56 is: 188,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,369.92 : 667,924.17 = 125,500.56 : x
  2. Step 2: Convert to fraction form
    445,369.92/667,924.17 = 125,500.56/x
  3. Step 3: Cross multiply
    445,369.92x = 667,924.17 × 125,500.56
  4. Step 4: Simplify right side
    445,369.92x = 83,824,857,372.54
  5. Step 5: Solve for x
    x = 83,824,857,372.54/445,369.92
  6. Step 6: Final answer
    x = 188,214.01

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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.