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Finding the Fourth Proportional to 64,361.73, 96,578.85 and 50,282.30

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Solution

The fourth proportional to 64,361.73, 96,578.85 and 50,282.30 is: 75,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.73 : 96,578.85 = 50,282.30 : x
  2. Step 2: Convert to fraction form
    64,361.73/96,578.85 = 50,282.30/x
  3. Step 3: Cross multiply
    64,361.73x = 96,578.85 × 50,282.30
  4. Step 4: Simplify right side
    64,361.73x = 4,856,206,226.46
  5. Step 5: Solve for x
    x = 4,856,206,226.46/64,361.73
  6. Step 6: Final answer
    x = 75,451.77

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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.