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Finding the Fourth Proportional to 79,608.82, 119,408.91 and 24,200.50

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Solution

The fourth proportional to 79,608.82, 119,408.91 and 24,200.50 is: 36,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608.82 : 119,408.91 = 24,200.50 : x
  2. Step 2: Convert to fraction form
    79,608.82/119,408.91 = 24,200.50/x
  3. Step 3: Cross multiply
    79,608.82x = 119,408.91 × 24,200.50
  4. Step 4: Simplify right side
    79,608.82x = 2,889,755,326.46
  5. Step 5: Solve for x
    x = 2,889,755,326.46/79,608.82
  6. Step 6: Final answer
    x = 36,299.44

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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.