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Finding the Fourth Proportional to 68,604.01, 102,846.87 and 26,513.63

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Solution

The fourth proportional to 68,604.01, 102,846.87 and 26,513.63 is: 39,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,604.01 : 102,846.87 = 26,513.63 : x
  2. Step 2: Convert to fraction form
    68,604.01/102,846.87 = 26,513.63/x
  3. Step 3: Cross multiply
    68,604.01x = 102,846.87 × 26,513.63
  4. Step 4: Simplify right side
    68,604.01x = 2,726,843,343.60
  5. Step 5: Solve for x
    x = 2,726,843,343.60/68,604.01
  6. Step 6: Final answer
    x = 39,747.58

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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.