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Finding the Fourth Proportional to 100,481.44, 150,717.40 and 37,314.12

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Solution

The fourth proportional to 100,481.44, 150,717.40 and 37,314.12 is: 55,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,481.44 : 150,717.40 = 37,314.12 : x
  2. Step 2: Convert to fraction form
    100,481.44/150,717.40 = 37,314.12/x
  3. Step 3: Cross multiply
    100,481.44x = 150,717.40 × 37,314.12
  4. Step 4: Simplify right side
    100,481.44x = 5,623,887,149.69
  5. Step 5: Solve for x
    x = 5,623,887,149.69/100,481.44
  6. Step 6: Final answer
    x = 55,969.41

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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.