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Finding the Fourth Proportional to 202,600.96, 303,990.54 and 107,808.82

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Solution

The fourth proportional to 202,600.96, 303,990.54 and 107,808.82 is: 161,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,600.96 : 303,990.54 = 107,808.82 : x
  2. Step 2: Convert to fraction form
    202,600.96/303,990.54 = 107,808.82/x
  3. Step 3: Cross multiply
    202,600.96x = 303,990.54 × 107,808.82
  4. Step 4: Simplify right side
    202,600.96x = 32,772,861,408.56
  5. Step 5: Solve for x
    x = 32,772,861,408.56/202,600.96
  6. Step 6: Final answer
    x = 161,760.64

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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.