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Finding the Fourth Proportional to 75,324.74, 112,987.98 and 22,736.43

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Solution

The fourth proportional to 75,324.74, 112,987.98 and 22,736.43 is: 34,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,324.74 : 112,987.98 = 22,736.43 : x
  2. Step 2: Convert to fraction form
    75,324.74/112,987.98 = 22,736.43/x
  3. Step 3: Cross multiply
    75,324.74x = 112,987.98 × 22,736.43
  4. Step 4: Simplify right side
    75,324.74x = 2,568,943,298.11
  5. Step 5: Solve for x
    x = 2,568,943,298.11/75,324.74
  6. Step 6: Final answer
    x = 34,104.91

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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.