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Finding the Fourth Proportional to 220,007.74, 303,608.90 and 119,405.74

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Solution

The fourth proportional to 220,007.74, 303,608.90 and 119,405.74 is: 164,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,007.74 : 303,608.90 = 119,405.74 : x
  2. Step 2: Convert to fraction form
    220,007.74/303,608.90 = 119,405.74/x
  3. Step 3: Cross multiply
    220,007.74x = 303,608.90 × 119,405.74
  4. Step 4: Simplify right side
    220,007.74x = 36,252,645,375.09
  5. Step 5: Solve for x
    x = 36,252,645,375.09/220,007.74
  6. Step 6: Final answer
    x = 164,778.95

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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.