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Finding the Fourth Proportional to 104,072.79, 156,171.46 and 44,908.46

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Solution

The fourth proportional to 104,072.79, 156,171.46 and 44,908.46 is: 67,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.79 : 156,171.46 = 44,908.46 : x
  2. Step 2: Convert to fraction form
    104,072.79/156,171.46 = 44,908.46/x
  3. Step 3: Cross multiply
    104,072.79x = 156,171.46 × 44,908.46
  4. Step 4: Simplify right side
    104,072.79x = 7,013,419,764.55
  5. Step 5: Solve for x
    x = 7,013,419,764.55/104,072.79
  6. Step 6: Final answer
    x = 67,389.56

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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.