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Finding the Fourth Proportional to 275,495.25, 413,164.62 and 106,979.61

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Solution

The fourth proportional to 275,495.25, 413,164.62 and 106,979.61 is: 160,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,495.25 : 413,164.62 = 106,979.61 : x
  2. Step 2: Convert to fraction form
    275,495.25/413,164.62 = 106,979.61/x
  3. Step 3: Cross multiply
    275,495.25x = 413,164.62 × 106,979.61
  4. Step 4: Simplify right side
    275,495.25x = 44,200,190,601.62
  5. Step 5: Solve for x
    x = 44,200,190,601.62/275,495.25
  6. Step 6: Final answer
    x = 160,439.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.