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Finding the Fourth Proportional to 95,691.41, 131,917.26 and 67,309.01

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Solution

The fourth proportional to 95,691.41, 131,917.26 and 67,309.01 is: 92,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691.41 : 131,917.26 = 67,309.01 : x
  2. Step 2: Convert to fraction form
    95,691.41/131,917.26 = 67,309.01/x
  3. Step 3: Cross multiply
    95,691.41x = 131,917.26 × 67,309.01
  4. Step 4: Simplify right side
    95,691.41x = 8,879,220,172.51
  5. Step 5: Solve for x
    x = 8,879,220,172.51/95,691.41
  6. Step 6: Final answer
    x = 92,790.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.