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Finding the Fourth Proportional to 79,229.87, 118,842.37 and 32,447.51

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Solution

The fourth proportional to 79,229.87, 118,842.37 and 32,447.51 is: 48,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,229.87 : 118,842.37 = 32,447.51 : x
  2. Step 2: Convert to fraction form
    79,229.87/118,842.37 = 32,447.51/x
  3. Step 3: Cross multiply
    79,229.87x = 118,842.37 × 32,447.51
  4. Step 4: Simplify right side
    79,229.87x = 3,856,138,826.76
  5. Step 5: Solve for x
    x = 3,856,138,826.76/79,229.87
  6. Step 6: Final answer
    x = 48,670.27

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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.