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Finding the Fourth Proportional to 274,080.86, 411,192.06 and 84,536.94

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Solution

The fourth proportional to 274,080.86, 411,192.06 and 84,536.94 is: 126,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,080.86 : 411,192.06 = 84,536.94 : x
  2. Step 2: Convert to fraction form
    274,080.86/411,192.06 = 84,536.94/x
  3. Step 3: Cross multiply
    274,080.86x = 411,192.06 × 84,536.94
  4. Step 4: Simplify right side
    274,080.86x = 34,760,918,504.70
  5. Step 5: Solve for x
    x = 34,760,918,504.70/274,080.86
  6. Step 6: Final answer
    x = 126,827.24

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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.