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Finding the Fourth Proportional to 202,611.48, 303,906.18 and 102,769.05

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Solution

The fourth proportional to 202,611.48, 303,906.18 and 102,769.05 is: 154,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,611.48 : 303,906.18 = 102,769.05 : x
  2. Step 2: Convert to fraction form
    202,611.48/303,906.18 = 102,769.05/x
  3. Step 3: Cross multiply
    202,611.48x = 303,906.18 × 102,769.05
  4. Step 4: Simplify right side
    202,611.48x = 31,232,150,354.69
  5. Step 5: Solve for x
    x = 31,232,150,354.69/202,611.48
  6. Step 6: Final answer
    x = 154,147.98

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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.