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Finding the Fourth Proportional to 57,299, 79,073.16 and 32,149.04

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Solution

The fourth proportional to 57,299, 79,073.16 and 32,149.04 is: 44,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299 : 79,073.16 = 32,149.04 : x
  2. Step 2: Convert to fraction form
    57,299/79,073.16 = 32,149.04/x
  3. Step 3: Cross multiply
    57,299x = 79,073.16 × 32,149.04
  4. Step 4: Simplify right side
    57,299x = 2,542,126,183.77
  5. Step 5: Solve for x
    x = 2,542,126,183.77/57,299
  6. Step 6: Final answer
    x = 44,365.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.