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Finding the Fourth Proportional to 202,394.49, 303,119.43 and 159,989.91

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Solution

The fourth proportional to 202,394.49, 303,119.43 and 159,989.91 is: 239,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,394.49 : 303,119.43 = 159,989.91 : x
  2. Step 2: Convert to fraction form
    202,394.49/303,119.43 = 159,989.91/x
  3. Step 3: Cross multiply
    202,394.49x = 303,119.43 × 159,989.91
  4. Step 4: Simplify right side
    202,394.49x = 48,496,050,324.95
  5. Step 5: Solve for x
    x = 48,496,050,324.95/202,394.49
  6. Step 6: Final answer
    x = 239,611.51

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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.