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Finding the Fourth Proportional to 80,247.52, 120,370.98 and 24,087.39

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Solution

The fourth proportional to 80,247.52, 120,370.98 and 24,087.39 is: 36,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,247.52 : 120,370.98 = 24,087.39 : x
  2. Step 2: Convert to fraction form
    80,247.52/120,370.98 = 24,087.39/x
  3. Step 3: Cross multiply
    80,247.52x = 120,370.98 × 24,087.39
  4. Step 4: Simplify right side
    80,247.52x = 2,899,422,739.94
  5. Step 5: Solve for x
    x = 2,899,422,739.94/80,247.52
  6. Step 6: Final answer
    x = 36,130.99

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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.