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Finding the Fourth Proportional to 274,132.62, 411,237.54 and 84,608.37

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Solution

The fourth proportional to 274,132.62, 411,237.54 and 84,608.37 is: 126,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,132.62 : 411,237.54 = 84,608.37 : x
  2. Step 2: Convert to fraction form
    274,132.62/411,237.54 = 84,608.37/x
  3. Step 3: Cross multiply
    274,132.62x = 411,237.54 × 84,608.37
  4. Step 4: Simplify right side
    274,132.62x = 34,794,137,942.21
  5. Step 5: Solve for x
    x = 34,794,137,942.21/274,132.62
  6. Step 6: Final answer
    x = 126,924.47

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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.