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Finding the Fourth Proportional to 73,108.88, 100,832.92 and 47,623.27

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Solution

The fourth proportional to 73,108.88, 100,832.92 and 47,623.27 is: 65,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.88 : 100,832.92 = 47,623.27 : x
  2. Step 2: Convert to fraction form
    73,108.88/100,832.92 = 47,623.27/x
  3. Step 3: Cross multiply
    73,108.88x = 100,832.92 × 47,623.27
  4. Step 4: Simplify right side
    73,108.88x = 4,801,993,002.91
  5. Step 5: Solve for x
    x = 4,801,993,002.91/73,108.88
  6. Step 6: Final answer
    x = 65,682.76

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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.