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Finding the Fourth Proportional to 138,050.92, 207,074.22 and 44,563.96

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Solution

The fourth proportional to 138,050.92, 207,074.22 and 44,563.96 is: 66,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,050.92 : 207,074.22 = 44,563.96 : x
  2. Step 2: Convert to fraction form
    138,050.92/207,074.22 = 44,563.96/x
  3. Step 3: Cross multiply
    138,050.92x = 207,074.22 × 44,563.96
  4. Step 4: Simplify right side
    138,050.92x = 9,228,047,257.11
  5. Step 5: Solve for x
    x = 9,228,047,257.11/138,050.92
  6. Step 6: Final answer
    x = 66,845.24

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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.