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Finding the Fourth Proportional to 70,833.97, 106,135.48 and 41,276.71

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Solution

The fourth proportional to 70,833.97, 106,135.48 and 41,276.71 is: 61,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.97 : 106,135.48 = 41,276.71 : x
  2. Step 2: Convert to fraction form
    70,833.97/106,135.48 = 41,276.71/x
  3. Step 3: Cross multiply
    70,833.97x = 106,135.48 × 41,276.71
  4. Step 4: Simplify right side
    70,833.97x = 4,380,922,691.61
  5. Step 5: Solve for x
    x = 4,380,922,691.61/70,833.97
  6. Step 6: Final answer
    x = 61,847.77

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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.