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Finding the Fourth Proportional to 220,212.56, 303,893.64 and 119,610.56

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Solution

The fourth proportional to 220,212.56, 303,893.64 and 119,610.56 is: 165,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,212.56 : 303,893.64 = 119,610.56 : x
  2. Step 2: Convert to fraction form
    220,212.56/303,893.64 = 119,610.56/x
  3. Step 3: Cross multiply
    220,212.56x = 303,893.64 × 119,610.56
  4. Step 4: Simplify right side
    220,212.56x = 36,348,889,220.57
  5. Step 5: Solve for x
    x = 36,348,889,220.57/220,212.56
  6. Step 6: Final answer
    x = 165,062.74

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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.