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Finding the Fourth Proportional to 220,190.96, 303,865.08 and 119,588.96

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Solution

The fourth proportional to 220,190.96, 303,865.08 and 119,588.96 is: 165,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,190.96 : 303,865.08 = 119,588.96 : x
  2. Step 2: Convert to fraction form
    220,190.96/303,865.08 = 119,588.96/x
  3. Step 3: Cross multiply
    220,190.96x = 303,865.08 × 119,588.96
  4. Step 4: Simplify right side
    220,190.96x = 36,338,908,897.52
  5. Step 5: Solve for x
    x = 36,338,908,897.52/220,190.96
  6. Step 6: Final answer
    x = 165,033.61

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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.