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Finding the Fourth Proportional to 445,039.68, 667,552.68 and 108,082.92

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Solution

The fourth proportional to 445,039.68, 667,552.68 and 108,082.92 is: 162,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,039.68 : 667,552.68 = 108,082.92 : x
  2. Step 2: Convert to fraction form
    445,039.68/667,552.68 = 108,082.92/x
  3. Step 3: Cross multiply
    445,039.68x = 667,552.68 × 108,082.92
  4. Step 4: Simplify right side
    445,039.68x = 72,151,042,908.23
  5. Step 5: Solve for x
    x = 72,151,042,908.23/445,039.68
  6. Step 6: Final answer
    x = 162,122.72

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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.