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Finding the Fourth Proportional to 274,079.96, 411,190.68 and 84,536.04

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Solution

The fourth proportional to 274,079.96, 411,190.68 and 84,536.04 is: 126,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,079.96 : 411,190.68 = 84,536.04 : x
  2. Step 2: Convert to fraction form
    274,079.96/411,190.68 = 84,536.04/x
  3. Step 3: Cross multiply
    274,079.96x = 411,190.68 × 84,536.04
  4. Step 4: Simplify right side
    274,079.96x = 34,760,431,772.11
  5. Step 5: Solve for x
    x = 34,760,431,772.11/274,079.96
  6. Step 6: Final answer
    x = 126,825.88

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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.