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Finding the Fourth Proportional to 80,361.64, 110,896.62 and 44,549.50

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Solution

The fourth proportional to 80,361.64, 110,896.62 and 44,549.50 is: 61,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.64 : 110,896.62 = 44,549.50 : x
  2. Step 2: Convert to fraction form
    80,361.64/110,896.62 = 44,549.50/x
  3. Step 3: Cross multiply
    80,361.64x = 110,896.62 × 44,549.50
  4. Step 4: Simplify right side
    80,361.64x = 4,940,388,972.69
  5. Step 5: Solve for x
    x = 4,940,388,972.69/80,361.64
  6. Step 6: Final answer
    x = 61,476.96

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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.