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Finding the Fourth Proportional to 107,679.88, 161,542.90 and 32,806.06

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Solution

The fourth proportional to 107,679.88, 161,542.90 and 32,806.06 is: 49,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,679.88 : 161,542.90 = 32,806.06 : x
  2. Step 2: Convert to fraction form
    107,679.88/161,542.90 = 32,806.06/x
  3. Step 3: Cross multiply
    107,679.88x = 161,542.90 × 32,806.06
  4. Step 4: Simplify right side
    107,679.88x = 5,299,585,905.94
  5. Step 5: Solve for x
    x = 5,299,585,905.94/107,679.88
  6. Step 6: Final answer
    x = 49,216.12

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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.