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Finding the Fourth Proportional to 73,272.20, 109,850.88 and 28,932.14

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Solution

The fourth proportional to 73,272.20, 109,850.88 and 28,932.14 is: 43,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.20 : 109,850.88 = 28,932.14 : x
  2. Step 2: Convert to fraction form
    73,272.20/109,850.88 = 28,932.14/x
  3. Step 3: Cross multiply
    73,272.20x = 109,850.88 × 28,932.14
  4. Step 4: Simplify right side
    73,272.20x = 3,178,221,422.41
  5. Step 5: Solve for x
    x = 3,178,221,422.41/73,272.20
  6. Step 6: Final answer
    x = 43,375.54

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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.