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Finding the Fourth Proportional to 89,793.86, 134,700.51 and 27,469.22

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Solution

The fourth proportional to 89,793.86, 134,700.51 and 27,469.22 is: 41,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,793.86 : 134,700.51 = 27,469.22 : x
  2. Step 2: Convert to fraction form
    89,793.86/134,700.51 = 27,469.22/x
  3. Step 3: Cross multiply
    89,793.86x = 134,700.51 × 27,469.22
  4. Step 4: Simplify right side
    89,793.86x = 3,700,117,943.30
  5. Step 5: Solve for x
    x = 3,700,117,943.30/89,793.86
  6. Step 6: Final answer
    x = 41,206.80

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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.