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Finding the Fourth Proportional to 79,383.62, 119,064.21 and 26,786.18

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Solution

The fourth proportional to 79,383.62, 119,064.21 and 26,786.18 is: 40,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,383.62 : 119,064.21 = 26,786.18 : x
  2. Step 2: Convert to fraction form
    79,383.62/119,064.21 = 26,786.18/x
  3. Step 3: Cross multiply
    79,383.62x = 119,064.21 × 26,786.18
  4. Step 4: Simplify right side
    79,383.62x = 3,189,275,360.62
  5. Step 5: Solve for x
    x = 3,189,275,360.62/79,383.62
  6. Step 6: Final answer
    x = 40,175.48

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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.