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Finding the Fourth Proportional to 220,187.96, 303,860.96 and 119,585.96

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Solution

The fourth proportional to 220,187.96, 303,860.96 and 119,585.96 is: 165,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,187.96 : 303,860.96 = 119,585.96 : x
  2. Step 2: Convert to fraction form
    220,187.96/303,860.96 = 119,585.96/x
  3. Step 3: Cross multiply
    220,187.96x = 303,860.96 × 119,585.96
  4. Step 4: Simplify right side
    220,187.96x = 36,337,504,608.12
  5. Step 5: Solve for x
    x = 36,337,504,608.12/220,187.96
  6. Step 6: Final answer
    x = 165,029.48

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1.5x scale

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.