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Finding the Fourth Proportional to 79,660.40, 119,231.40 and 62,034.80

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Solution

The fourth proportional to 79,660.40, 119,231.40 and 62,034.80 is: 92,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.40 : 119,231.40 = 62,034.80 : x
  2. Step 2: Convert to fraction form
    79,660.40/119,231.40 = 62,034.80/x
  3. Step 3: Cross multiply
    79,660.40x = 119,231.40 × 62,034.80
  4. Step 4: Simplify right side
    79,660.40x = 7,396,496,052.72
  5. Step 5: Solve for x
    x = 7,396,496,052.72/79,660.40
  6. Step 6: Final answer
    x = 92,850.35

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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.