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Finding the Fourth Proportional to 218,577.71, 327,803.49 and 92,246.27

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Solution

The fourth proportional to 218,577.71, 327,803.49 and 92,246.27 is: 138,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,577.71 : 327,803.49 = 92,246.27 : x
  2. Step 2: Convert to fraction form
    218,577.71/327,803.49 = 92,246.27/x
  3. Step 3: Cross multiply
    218,577.71x = 327,803.49 × 92,246.27
  4. Step 4: Simplify right side
    218,577.71x = 30,238,647,606.46
  5. Step 5: Solve for x
    x = 30,238,647,606.46/218,577.71
  6. Step 6: Final answer
    x = 138,342.78

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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.