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Finding the Fourth Proportional to 107,908.60, 161,856.93 and 33,028.69

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Solution

The fourth proportional to 107,908.60, 161,856.93 and 33,028.69 is: 49,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.60 : 161,856.93 = 33,028.69 : x
  2. Step 2: Convert to fraction form
    107,908.60/161,856.93 = 33,028.69/x
  3. Step 3: Cross multiply
    107,908.60x = 161,856.93 × 33,028.69
  4. Step 4: Simplify right side
    107,908.60x = 5,345,922,365.32
  5. Step 5: Solve for x
    x = 5,345,922,365.32/107,908.60
  6. Step 6: Final answer
    x = 49,541.21

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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.