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Finding the Fourth Proportional to 80,361.60, 110,905.56 and 44,562.84

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Solution

The fourth proportional to 80,361.60, 110,905.56 and 44,562.84 is: 61,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.60 : 110,905.56 = 44,562.84 : x
  2. Step 2: Convert to fraction form
    80,361.60/110,905.56 = 44,562.84/x
  3. Step 3: Cross multiply
    80,361.60x = 110,905.56 × 44,562.84
  4. Step 4: Simplify right side
    80,361.60x = 4,942,266,725.39
  5. Step 5: Solve for x
    x = 4,942,266,725.39/80,361.60
  6. Step 6: Final answer
    x = 61,500.35

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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.