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Finding the Fourth Proportional to 73,310.64, 109,912.12 and 23,361.96

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Solution

The fourth proportional to 73,310.64, 109,912.12 and 23,361.96 is: 35,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.64 : 109,912.12 = 23,361.96 : x
  2. Step 2: Convert to fraction form
    73,310.64/109,912.12 = 23,361.96/x
  3. Step 3: Cross multiply
    73,310.64x = 109,912.12 × 23,361.96
  4. Step 4: Simplify right side
    73,310.64x = 2,567,762,550.96
  5. Step 5: Solve for x
    x = 2,567,762,550.96/73,310.64
  6. Step 6: Final answer
    x = 35,025.78

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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.