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Finding the Fourth Proportional to 104,656.25, 156,786.84 and 61,833.90

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Solution

The fourth proportional to 104,656.25, 156,786.84 and 61,833.90 is: 92,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.25 : 156,786.84 = 61,833.90 : x
  2. Step 2: Convert to fraction form
    104,656.25/156,786.84 = 61,833.90/x
  3. Step 3: Cross multiply
    104,656.25x = 156,786.84 × 61,833.90
  4. Step 4: Simplify right side
    104,656.25x = 9,694,741,785.88
  5. Step 5: Solve for x
    x = 9,694,741,785.88/104,656.25
  6. Step 6: Final answer
    x = 92,634.14

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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.