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Finding the Fourth Proportional to 323,120.88, 445,896.36 and 179,876.16

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Solution

The fourth proportional to 323,120.88, 445,896.36 and 179,876.16 is: 248,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,120.88 : 445,896.36 = 179,876.16 : x
  2. Step 2: Convert to fraction form
    323,120.88/445,896.36 = 179,876.16/x
  3. Step 3: Cross multiply
    323,120.88x = 445,896.36 × 179,876.16
  4. Step 4: Simplify right side
    323,120.88x = 80,206,124,994.78
  5. Step 5: Solve for x
    x = 80,206,124,994.78/323,120.88
  6. Step 6: Final answer
    x = 248,223.28

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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.