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Finding the Fourth Proportional to 75,273.20, 112,971.92 and 37,843.91

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Solution

The fourth proportional to 75,273.20, 112,971.92 and 37,843.91 is: 56,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.20 : 112,971.92 = 37,843.91 : x
  2. Step 2: Convert to fraction form
    75,273.20/112,971.92 = 37,843.91/x
  3. Step 3: Cross multiply
    75,273.20x = 112,971.92 × 37,843.91
  4. Step 4: Simplify right side
    75,273.20x = 4,275,298,842.57
  5. Step 5: Solve for x
    x = 4,275,298,842.57/75,273.20
  6. Step 6: Final answer
    x = 56,797.09

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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.