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Finding the Fourth Proportional to 79,323.81, 119,016.90 and 34,919.43

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Solution

The fourth proportional to 79,323.81, 119,016.90 and 34,919.43 is: 52,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323.81 : 119,016.90 = 34,919.43 : x
  2. Step 2: Convert to fraction form
    79,323.81/119,016.90 = 34,919.43/x
  3. Step 3: Cross multiply
    79,323.81x = 119,016.90 × 34,919.43
  4. Step 4: Simplify right side
    79,323.81x = 4,156,002,308.37
  5. Step 5: Solve for x
    x = 4,156,002,308.37/79,323.81
  6. Step 6: Final answer
    x = 52,392.87

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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.