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Finding the Fourth Proportional to 70,144.20, 96,745.44 and 44,654.64

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Solution

The fourth proportional to 70,144.20, 96,745.44 and 44,654.64 is: 61,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,144.20 : 96,745.44 = 44,654.64 : x
  2. Step 2: Convert to fraction form
    70,144.20/96,745.44 = 44,654.64/x
  3. Step 3: Cross multiply
    70,144.20x = 96,745.44 × 44,654.64
  4. Step 4: Simplify right side
    70,144.20x = 4,320,132,794.84
  5. Step 5: Solve for x
    x = 4,320,132,794.84/70,144.20
  6. Step 6: Final answer
    x = 61,589.31

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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.