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Finding the Fourth Proportional to 104,573.75, 156,791.27 and 38,005.97

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Solution

The fourth proportional to 104,573.75, 156,791.27 and 38,005.97 is: 56,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,573.75 : 156,791.27 = 38,005.97 : x
  2. Step 2: Convert to fraction form
    104,573.75/156,791.27 = 38,005.97/x
  3. Step 3: Cross multiply
    104,573.75x = 156,791.27 × 38,005.97
  4. Step 4: Simplify right side
    104,573.75x = 5,959,003,614.94
  5. Step 5: Solve for x
    x = 5,959,003,614.94/104,573.75
  6. Step 6: Final answer
    x = 56,983.74

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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.