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Finding the Fourth Proportional to 79,171.77, 118,741.25 and 29,217.73

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Solution

The fourth proportional to 79,171.77, 118,741.25 and 29,217.73 is: 43,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.77 : 118,741.25 = 29,217.73 : x
  2. Step 2: Convert to fraction form
    79,171.77/118,741.25 = 29,217.73/x
  3. Step 3: Cross multiply
    79,171.77x = 118,741.25 × 29,217.73
  4. Step 4: Simplify right side
    79,171.77x = 3,469,349,782.36
  5. Step 5: Solve for x
    x = 3,469,349,782.36/79,171.77
  6. Step 6: Final answer
    x = 43,820.54

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1.5x scale

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.