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Finding the Fourth Proportional to 68,959.08, 95,163.12 and 38,744.46

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Solution

The fourth proportional to 68,959.08, 95,163.12 and 38,744.46 is: 53,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959.08 : 95,163.12 = 38,744.46 : x
  2. Step 2: Convert to fraction form
    68,959.08/95,163.12 = 38,744.46/x
  3. Step 3: Cross multiply
    68,959.08x = 95,163.12 × 38,744.46
  4. Step 4: Simplify right side
    68,959.08x = 3,687,043,696.32
  5. Step 5: Solve for x
    x = 3,687,043,696.32/68,959.08
  6. Step 6: Final answer
    x = 53,467.12

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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.