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Finding the Fourth Proportional to 234,333, 351,559.44 and 68,121

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Solution

The fourth proportional to 234,333, 351,559.44 and 68,121 is: 102,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,333 : 351,559.44 = 68,121 : x
  2. Step 2: Convert to fraction form
    234,333/351,559.44 = 68,121/x
  3. Step 3: Cross multiply
    234,333x = 351,559.44 × 68,121
  4. Step 4: Simplify right side
    234,333x = 23,948,580,612.24
  5. Step 5: Solve for x
    x = 23,948,580,612.24/234,333
  6. Step 6: Final answer
    x = 102,198.92

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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.