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Finding the Fourth Proportional to 66,797.25, 100,108.40 and 37,229.01

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Solution

The fourth proportional to 66,797.25, 100,108.40 and 37,229.01 is: 55,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,797.25 : 100,108.40 = 37,229.01 : x
  2. Step 2: Convert to fraction form
    66,797.25/100,108.40 = 37,229.01/x
  3. Step 3: Cross multiply
    66,797.25x = 100,108.40 × 37,229.01
  4. Step 4: Simplify right side
    66,797.25x = 3,726,936,438.54
  5. Step 5: Solve for x
    x = 3,726,936,438.54/66,797.25
  6. Step 6: Final answer
    x = 55,794.76

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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.