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Finding the Fourth Proportional to 323,099.56, 445,890.18 and 179,854.12

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Solution

The fourth proportional to 323,099.56, 445,890.18 and 179,854.12 is: 248,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,099.56 : 445,890.18 = 179,854.12 : x
  2. Step 2: Convert to fraction form
    323,099.56/445,890.18 = 179,854.12/x
  3. Step 3: Cross multiply
    323,099.56x = 445,890.18 × 179,854.12
  4. Step 4: Simplify right side
    323,099.56x = 80,195,185,940.54
  5. Step 5: Solve for x
    x = 80,195,185,940.54/323,099.56
  6. Step 6: Final answer
    x = 248,205.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.