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Finding the Fourth Proportional to 107,793.33, 161,800.34 and 89,013.53

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Solution

The fourth proportional to 107,793.33, 161,800.34 and 89,013.53 is: 133,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,793.33 : 161,800.34 = 89,013.53 : x
  2. Step 2: Convert to fraction form
    107,793.33/161,800.34 = 89,013.53/x
  3. Step 3: Cross multiply
    107,793.33x = 161,800.34 × 89,013.53
  4. Step 4: Simplify right side
    107,793.33x = 14,402,419,378.03
  5. Step 5: Solve for x
    x = 14,402,419,378.03/107,793.33
  6. Step 6: Final answer
    x = 133,611.41

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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.