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Finding the Fourth Proportional to 226,625.76, 339,990 and 74,833.44

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Solution

The fourth proportional to 226,625.76, 339,990 and 74,833.44 is: 112,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,625.76 : 339,990 = 74,833.44 : x
  2. Step 2: Convert to fraction form
    226,625.76/339,990 = 74,833.44/x
  3. Step 3: Cross multiply
    226,625.76x = 339,990 × 74,833.44
  4. Step 4: Simplify right side
    226,625.76x = 25,442,621,265.60
  5. Step 5: Solve for x
    x = 25,442,621,265.60/226,625.76
  6. Step 6: Final answer
    x = 112,267.12

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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.