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Finding the Fourth Proportional to 68,658.36, 94,732.20 and 41,800.56

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Solution

The fourth proportional to 68,658.36, 94,732.20 and 41,800.56 is: 57,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,658.36 : 94,732.20 = 41,800.56 : x
  2. Step 2: Convert to fraction form
    68,658.36/94,732.20 = 41,800.56/x
  3. Step 3: Cross multiply
    68,658.36x = 94,732.20 × 41,800.56
  4. Step 4: Simplify right side
    68,658.36x = 3,959,859,010.03
  5. Step 5: Solve for x
    x = 3,959,859,010.03/68,658.36
  6. Step 6: Final answer
    x = 57,674.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.