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Finding the Fourth Proportional to 274,195.67, 411,142.77 and 84,604.30

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Solution

The fourth proportional to 274,195.67, 411,142.77 and 84,604.30 is: 126,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,195.67 : 411,142.77 = 84,604.30 : x
  2. Step 2: Convert to fraction form
    274,195.67/411,142.77 = 84,604.30/x
  3. Step 3: Cross multiply
    274,195.67x = 411,142.77 × 84,604.30
  4. Step 4: Simplify right side
    274,195.67x = 34,784,445,228.05
  5. Step 5: Solve for x
    x = 34,784,445,228.05/274,195.67
  6. Step 6: Final answer
    x = 126,859.94

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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.