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Finding the Fourth Proportional to 323,009.10, 445,748.12 and 179,769.12

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Solution

The fourth proportional to 323,009.10, 445,748.12 and 179,769.12 is: 248,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,009.10 : 445,748.12 = 179,769.12 : x
  2. Step 2: Convert to fraction form
    323,009.10/445,748.12 = 179,769.12/x
  3. Step 3: Cross multiply
    323,009.10x = 445,748.12 × 179,769.12
  4. Step 4: Simplify right side
    323,009.10x = 80,131,746,375.21
  5. Step 5: Solve for x
    x = 80,131,746,375.21/323,009.10
  6. Step 6: Final answer
    x = 248,078.91

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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.