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Finding the Fourth Proportional to 104,571.36, 156,876.48 and 34,453.44

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Solution

The fourth proportional to 104,571.36, 156,876.48 and 34,453.44 is: 51,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.36 : 156,876.48 = 34,453.44 : x
  2. Step 2: Convert to fraction form
    104,571.36/156,876.48 = 34,453.44/x
  3. Step 3: Cross multiply
    104,571.36x = 156,876.48 × 34,453.44
  4. Step 4: Simplify right side
    104,571.36x = 5,404,934,391.09
  5. Step 5: Solve for x
    x = 5,404,934,391.09/104,571.36
  6. Step 6: Final answer
    x = 51,686.56

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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.