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Finding the Fourth Proportional to 104,517.72, 156,800.16 and 37,957.68

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Solution

The fourth proportional to 104,517.72, 156,800.16 and 37,957.68 is: 56,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.72 : 156,800.16 = 37,957.68 : x
  2. Step 2: Convert to fraction form
    104,517.72/156,800.16 = 37,957.68/x
  3. Step 3: Cross multiply
    104,517.72x = 156,800.16 × 37,957.68
  4. Step 4: Simplify right side
    104,517.72x = 5,951,770,297.23
  5. Step 5: Solve for x
    x = 5,951,770,297.23/104,517.72
  6. Step 6: Final answer
    x = 56,945.08

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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.