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Finding the Fourth Proportional to 71,793.21, 107,739.02 and 25,046.09

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Solution

The fourth proportional to 71,793.21, 107,739.02 and 25,046.09 is: 37,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.21 : 107,739.02 = 25,046.09 : x
  2. Step 2: Convert to fraction form
    71,793.21/107,739.02 = 25,046.09/x
  3. Step 3: Cross multiply
    71,793.21x = 107,739.02 × 25,046.09
  4. Step 4: Simplify right side
    71,793.21x = 2,698,440,851.58
  5. Step 5: Solve for x
    x = 2,698,440,851.58/71,793.21
  6. Step 6: Final answer
    x = 37,586.30

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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.