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Finding the Fourth Proportional to 100,917.94, 151,447.17 and 41,753.92

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Solution

The fourth proportional to 100,917.94, 151,447.17 and 41,753.92 is: 62,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,917.94 : 151,447.17 = 41,753.92 : x
  2. Step 2: Convert to fraction form
    100,917.94/151,447.17 = 41,753.92/x
  3. Step 3: Cross multiply
    100,917.94x = 151,447.17 × 41,753.92
  4. Step 4: Simplify right side
    100,917.94x = 6,323,512,263.17
  5. Step 5: Solve for x
    x = 6,323,512,263.17/100,917.94
  6. Step 6: Final answer
    x = 62,659.95

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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.