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Finding the Fourth Proportional to 79,874.12, 119,811.18 and 24,462.92

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Solution

The fourth proportional to 79,874.12, 119,811.18 and 24,462.92 is: 36,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,874.12 : 119,811.18 = 24,462.92 : x
  2. Step 2: Convert to fraction form
    79,874.12/119,811.18 = 24,462.92/x
  3. Step 3: Cross multiply
    79,874.12x = 119,811.18 × 24,462.92
  4. Step 4: Simplify right side
    79,874.12x = 2,930,931,311.45
  5. Step 5: Solve for x
    x = 2,930,931,311.45/79,874.12
  6. Step 6: Final answer
    x = 36,694.38

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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.