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Finding the Fourth Proportional to 89,581.86, 134,392.77 and 27,257.22

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Solution

The fourth proportional to 89,581.86, 134,392.77 and 27,257.22 is: 40,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,581.86 : 134,392.77 = 27,257.22 : x
  2. Step 2: Convert to fraction form
    89,581.86/134,392.77 = 27,257.22/x
  3. Step 3: Cross multiply
    89,581.86x = 134,392.77 × 27,257.22
  4. Step 4: Simplify right side
    89,581.86x = 3,663,173,298.30
  5. Step 5: Solve for x
    x = 3,663,173,298.30/89,581.86
  6. Step 6: Final answer
    x = 40,891.91

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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.