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Finding the Fourth Proportional to 323,060.98, 445,824.17 and 179,817.95

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Solution

The fourth proportional to 323,060.98, 445,824.17 and 179,817.95 is: 248,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,060.98 : 445,824.17 = 179,817.95 : x
  2. Step 2: Convert to fraction form
    323,060.98/445,824.17 = 179,817.95/x
  3. Step 3: Cross multiply
    323,060.98x = 445,824.17 × 179,817.95
  4. Step 4: Simplify right side
    323,060.98x = 80,167,188,309.85
  5. Step 5: Solve for x
    x = 80,167,188,309.85/323,060.98
  6. Step 6: Final answer
    x = 248,148.78

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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.