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Finding the Fourth Proportional to 220,119.30, 303,766.02 and 119,517.30

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Solution

The fourth proportional to 220,119.30, 303,766.02 and 119,517.30 is: 164,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,119.30 : 303,766.02 = 119,517.30 : x
  2. Step 2: Convert to fraction form
    220,119.30/303,766.02 = 119,517.30/x
  3. Step 3: Cross multiply
    220,119.30x = 303,766.02 × 119,517.30
  4. Step 4: Simplify right side
    220,119.30x = 36,305,294,542.15
  5. Step 5: Solve for x
    x = 36,305,294,542.15/220,119.30
  6. Step 6: Final answer
    x = 164,934.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.