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Finding the Fourth Proportional to 79,402.41, 119,027.80 and 29,469.15

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Solution

The fourth proportional to 79,402.41, 119,027.80 and 29,469.15 is: 44,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,402.41 : 119,027.80 = 29,469.15 : x
  2. Step 2: Convert to fraction form
    79,402.41/119,027.80 = 29,469.15/x
  3. Step 3: Cross multiply
    79,402.41x = 119,027.80 × 29,469.15
  4. Step 4: Simplify right side
    79,402.41x = 3,507,648,092.37
  5. Step 5: Solve for x
    x = 3,507,648,092.37/79,402.41
  6. Step 6: Final answer
    x = 44,175.59

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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.