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Finding the Fourth Proportional to 202,651.27, 303,976.42 and 190,320.18

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Solution

The fourth proportional to 202,651.27, 303,976.42 and 190,320.18 is: 285,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,651.27 : 303,976.42 = 190,320.18 : x
  2. Step 2: Convert to fraction form
    202,651.27/303,976.42 = 190,320.18/x
  3. Step 3: Cross multiply
    202,651.27x = 303,976.42 × 190,320.18
  4. Step 4: Simplify right side
    202,651.27x = 57,852,846,970.16
  5. Step 5: Solve for x
    x = 57,852,846,970.16/202,651.27
  6. Step 6: Final answer
    x = 285,479.81

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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.