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Finding the Fourth Proportional to 68,503.73, 102,769.97 and 29,059.97

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Solution

The fourth proportional to 68,503.73, 102,769.97 and 29,059.97 is: 43,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,503.73 : 102,769.97 = 29,059.97 : x
  2. Step 2: Convert to fraction form
    68,503.73/102,769.97 = 29,059.97/x
  3. Step 3: Cross multiply
    68,503.73x = 102,769.97 × 29,059.97
  4. Step 4: Simplify right side
    68,503.73x = 2,986,491,585.95
  5. Step 5: Solve for x
    x = 2,986,491,585.95/68,503.73
  6. Step 6: Final answer
    x = 43,596.05

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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.