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Finding the Fourth Proportional to 118,892.46, 178,361.94 and 44,013.22

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Solution

The fourth proportional to 118,892.46, 178,361.94 and 44,013.22 is: 66,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892.46 : 178,361.94 = 44,013.22 : x
  2. Step 2: Convert to fraction form
    118,892.46/178,361.94 = 44,013.22/x
  3. Step 3: Cross multiply
    118,892.46x = 178,361.94 × 44,013.22
  4. Step 4: Simplify right side
    118,892.46x = 7,850,283,304.85
  5. Step 5: Solve for x
    x = 7,850,283,304.85/118,892.46
  6. Step 6: Final answer
    x = 66,028.44

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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.