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Finding the Fourth Proportional to 104,571, 156,787.14 and 38,003.22

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Solution

The fourth proportional to 104,571, 156,787.14 and 38,003.22 is: 56,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571 : 156,787.14 = 38,003.22 : x
  2. Step 2: Convert to fraction form
    104,571/156,787.14 = 38,003.22/x
  3. Step 3: Cross multiply
    104,571x = 156,787.14 × 38,003.22
  4. Step 4: Simplify right side
    104,571x = 5,958,416,174.59
  5. Step 5: Solve for x
    x = 5,958,416,174.59/104,571
  6. Step 6: Final answer
    x = 56,979.62

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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.