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Finding the Fourth Proportional to 92,544.70, 138,735.96 and 44,489.30

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Solution

The fourth proportional to 92,544.70, 138,735.96 and 44,489.30 is: 66,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,544.70 : 138,735.96 = 44,489.30 : x
  2. Step 2: Convert to fraction form
    92,544.70/138,735.96 = 44,489.30/x
  3. Step 3: Cross multiply
    92,544.70x = 138,735.96 × 44,489.30
  4. Step 4: Simplify right side
    92,544.70x = 6,172,265,745.23
  5. Step 5: Solve for x
    x = 6,172,265,745.23/92,544.70
  6. Step 6: Final answer
    x = 66,694.97

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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.