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Finding the Fourth Proportional to 202,618.25, 303,927.38 and 76,286.85

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Solution

The fourth proportional to 202,618.25, 303,927.38 and 76,286.85 is: 114,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,618.25 : 303,927.38 = 76,286.85 : x
  2. Step 2: Convert to fraction form
    202,618.25/303,927.38 = 76,286.85/x
  3. Step 3: Cross multiply
    202,618.25x = 303,927.38 × 76,286.85
  4. Step 4: Simplify right side
    202,618.25x = 23,185,661,213.87
  5. Step 5: Solve for x
    x = 23,185,661,213.87/202,618.25
  6. Step 6: Final answer
    x = 114,430.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.