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Finding the Fourth Proportional to 68,471.47, 102,636.73 and 33,367.69

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Solution

The fourth proportional to 68,471.47, 102,636.73 and 33,367.69 is: 50,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471.47 : 102,636.73 = 33,367.69 : x
  2. Step 2: Convert to fraction form
    68,471.47/102,636.73 = 33,367.69/x
  3. Step 3: Cross multiply
    68,471.47x = 102,636.73 × 33,367.69
  4. Step 4: Simplify right side
    68,471.47x = 3,424,750,589.25
  5. Step 5: Solve for x
    x = 3,424,750,589.25/68,471.47
  6. Step 6: Final answer
    x = 50,017.19

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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.