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Finding the Fourth Proportional to 107,901.17, 161,871.20 and 33,019.97

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Solution

The fourth proportional to 107,901.17, 161,871.20 and 33,019.97 is: 49,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.17 : 161,871.20 = 33,019.97 : x
  2. Step 2: Convert to fraction form
    107,901.17/161,871.20 = 33,019.97/x
  3. Step 3: Cross multiply
    107,901.17x = 161,871.20 × 33,019.97
  4. Step 4: Simplify right side
    107,901.17x = 5,344,982,002.76
  5. Step 5: Solve for x
    x = 5,344,982,002.76/107,901.17
  6. Step 6: Final answer
    x = 49,535.90

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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.