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Finding the Fourth Proportional to 87,753.63, 121,099.87 and 47,467.27

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Solution

The fourth proportional to 87,753.63, 121,099.87 and 47,467.27 is: 65,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.63 : 121,099.87 = 47,467.27 : x
  2. Step 2: Convert to fraction form
    87,753.63/121,099.87 = 47,467.27/x
  3. Step 3: Cross multiply
    87,753.63x = 121,099.87 × 47,467.27
  4. Step 4: Simplify right side
    87,753.63x = 5,748,280,226.25
  5. Step 5: Solve for x
    x = 5,748,280,226.25/87,753.63
  6. Step 6: Final answer
    x = 65,504.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.