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Finding the Fourth Proportional to 73,251.99, 109,882.24 and 28,273.60

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Solution

The fourth proportional to 73,251.99, 109,882.24 and 28,273.60 is: 42,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.99 : 109,882.24 = 28,273.60 : x
  2. Step 2: Convert to fraction form
    73,251.99/109,882.24 = 28,273.60/x
  3. Step 3: Cross multiply
    73,251.99x = 109,882.24 × 28,273.60
  4. Step 4: Simplify right side
    73,251.99x = 3,106,766,855.40
  5. Step 5: Solve for x
    x = 3,106,766,855.40/73,251.99
  6. Step 6: Final answer
    x = 42,412.05

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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.