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Finding the Fourth Proportional to 323,099.74, 445,856.16 and 179,856.10

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Solution

The fourth proportional to 323,099.74, 445,856.16 and 179,856.10 is: 248,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,099.74 : 445,856.16 = 179,856.10 : x
  2. Step 2: Convert to fraction form
    323,099.74/445,856.16 = 179,856.10/x
  3. Step 3: Cross multiply
    323,099.74x = 445,856.16 × 179,856.10
  4. Step 4: Simplify right side
    323,099.74x = 80,189,950,098.58
  5. Step 5: Solve for x
    x = 80,189,950,098.58/323,099.74
  6. Step 6: Final answer
    x = 248,189.46

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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.