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Finding the Fourth Proportional to 323,132.30, 445,857.42 and 195,733.88

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Solution

The fourth proportional to 323,132.30, 445,857.42 and 195,733.88 is: 270,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,132.30 : 445,857.42 = 195,733.88 : x
  2. Step 2: Convert to fraction form
    323,132.30/445,857.42 = 195,733.88/x
  3. Step 3: Cross multiply
    323,132.30x = 445,857.42 × 195,733.88
  4. Step 4: Simplify right side
    323,132.30x = 87,269,402,743.39
  5. Step 5: Solve for x
    x = 87,269,402,743.39/323,132.30
  6. Step 6: Final answer
    x = 270,073.29

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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.