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Finding the Fourth Proportional to 79,962.81, 119,879.42 and 33,250.65

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Solution

The fourth proportional to 79,962.81, 119,879.42 and 33,250.65 is: 49,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,962.81 : 119,879.42 = 33,250.65 : x
  2. Step 2: Convert to fraction form
    79,962.81/119,879.42 = 33,250.65/x
  3. Step 3: Cross multiply
    79,962.81x = 119,879.42 × 33,250.65
  4. Step 4: Simplify right side
    79,962.81x = 3,986,068,470.37
  5. Step 5: Solve for x
    x = 3,986,068,470.37/79,962.81
  6. Step 6: Final answer
    x = 49,849.03

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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.