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Finding the Fourth Proportional to 323,125.52, 445,912.96 and 179,919.34

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Solution

The fourth proportional to 323,125.52, 445,912.96 and 179,919.34 is: 248,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,125.52 : 445,912.96 = 179,919.34 : x
  2. Step 2: Convert to fraction form
    323,125.52/445,912.96 = 179,919.34/x
  3. Step 3: Cross multiply
    323,125.52x = 445,912.96 × 179,919.34
  4. Step 4: Simplify right side
    323,125.52x = 80,228,365,460.65
  5. Step 5: Solve for x
    x = 80,228,365,460.65/323,125.52
  6. Step 6: Final answer
    x = 248,288.55

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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.