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Finding the Fourth Proportional to 100,481.72, 150,756.89 and 62,996.54

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Solution

The fourth proportional to 100,481.72, 150,756.89 and 62,996.54 is: 94,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,481.72 : 150,756.89 = 62,996.54 : x
  2. Step 2: Convert to fraction form
    100,481.72/150,756.89 = 62,996.54/x
  3. Step 3: Cross multiply
    100,481.72x = 150,756.89 × 62,996.54
  4. Step 4: Simplify right side
    100,481.72x = 9,497,161,382.39
  5. Step 5: Solve for x
    x = 9,497,161,382.39/100,481.72
  6. Step 6: Final answer
    x = 94,516.31

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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.