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Finding the Fourth Proportional to 202,371.41, 303,523.00 and 74,261.21

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Solution

The fourth proportional to 202,371.41, 303,523.00 and 74,261.21 is: 111,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371.41 : 303,523.00 = 74,261.21 : x
  2. Step 2: Convert to fraction form
    202,371.41/303,523.00 = 74,261.21/x
  3. Step 3: Cross multiply
    202,371.41x = 303,523.00 × 74,261.21
  4. Step 4: Simplify right side
    202,371.41x = 22,539,983,539.56
  5. Step 5: Solve for x
    x = 22,539,983,539.56/202,371.41
  6. Step 6: Final answer
    x = 111,379.29

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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.