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Finding the Fourth Proportional to 73,161.09, 109,745.46 and 23,245.11

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Solution

The fourth proportional to 73,161.09, 109,745.46 and 23,245.11 is: 34,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,161.09 : 109,745.46 = 23,245.11 : x
  2. Step 2: Convert to fraction form
    73,161.09/109,745.46 = 23,245.11/x
  3. Step 3: Cross multiply
    73,161.09x = 109,745.46 × 23,245.11
  4. Step 4: Simplify right side
    73,161.09x = 2,551,045,289.70
  5. Step 5: Solve for x
    x = 2,551,045,289.70/73,161.09
  6. Step 6: Final answer
    x = 34,868.88

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1.5x scale

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.