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Finding the Fourth Proportional to 73,825.26, 110,660.13 and 36,811.50

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Solution

The fourth proportional to 73,825.26, 110,660.13 and 36,811.50 is: 55,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,825.26 : 110,660.13 = 36,811.50 : x
  2. Step 2: Convert to fraction form
    73,825.26/110,660.13 = 36,811.50/x
  3. Step 3: Cross multiply
    73,825.26x = 110,660.13 × 36,811.50
  4. Step 4: Simplify right side
    73,825.26x = 4,073,565,375.50
  5. Step 5: Solve for x
    x = 4,073,565,375.50/73,825.26
  6. Step 6: Final answer
    x = 55,178.48

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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.