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Finding the Fourth Proportional to 107,856.75, 161,785.50 and 32,976.61

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Solution

The fourth proportional to 107,856.75, 161,785.50 and 32,976.61 is: 49,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,856.75 : 161,785.50 = 32,976.61 : x
  2. Step 2: Convert to fraction form
    107,856.75/161,785.50 = 32,976.61/x
  3. Step 3: Cross multiply
    107,856.75x = 161,785.50 × 32,976.61
  4. Step 4: Simplify right side
    107,856.75x = 5,335,137,337.16
  5. Step 5: Solve for x
    x = 5,335,137,337.16/107,856.75
  6. Step 6: Final answer
    x = 49,465.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.