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Finding the Fourth Proportional to 275,195.83, 379,616.47 and 173,183.22

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Solution

The fourth proportional to 275,195.83, 379,616.47 and 173,183.22 is: 238,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,195.83 : 379,616.47 = 173,183.22 : x
  2. Step 2: Convert to fraction form
    275,195.83/379,616.47 = 173,183.22/x
  3. Step 3: Cross multiply
    275,195.83x = 379,616.47 × 173,183.22
  4. Step 4: Simplify right side
    275,195.83x = 65,743,202,639.63
  5. Step 5: Solve for x
    x = 65,743,202,639.63/275,195.83
  6. Step 6: Final answer
    x = 238,896.07

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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.