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Finding the Fourth Proportional to 202,651.37, 303,930.81 and 76,304.94

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Solution

The fourth proportional to 202,651.37, 303,930.81 and 76,304.94 is: 114,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,651.37 : 303,930.81 = 76,304.94 : x
  2. Step 2: Convert to fraction form
    202,651.37/303,930.81 = 76,304.94/x
  3. Step 3: Cross multiply
    202,651.37x = 303,930.81 × 76,304.94
  4. Step 4: Simplify right side
    202,651.37x = 23,191,422,221.20
  5. Step 5: Solve for x
    x = 23,191,422,221.20/202,651.37
  6. Step 6: Final answer
    x = 114,440.00

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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.