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Finding the Fourth Proportional to 101,948.96, 140,704.90 and 73,363.25

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Solution

The fourth proportional to 101,948.96, 140,704.90 and 73,363.25 is: 101,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,948.96 : 140,704.90 = 73,363.25 : x
  2. Step 2: Convert to fraction form
    101,948.96/140,704.90 = 73,363.25/x
  3. Step 3: Cross multiply
    101,948.96x = 140,704.90 × 73,363.25
  4. Step 4: Simplify right side
    101,948.96x = 10,322,568,923.28
  5. Step 5: Solve for x
    x = 10,322,568,923.28/101,948.96
  6. Step 6: Final answer
    x = 101,252.32

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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.