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Finding the Fourth Proportional to 234,272.25, 351,418.10 and 68,060.25

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Solution

The fourth proportional to 234,272.25, 351,418.10 and 68,060.25 is: 102,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,272.25 : 351,418.10 = 68,060.25 : x
  2. Step 2: Convert to fraction form
    234,272.25/351,418.10 = 68,060.25/x
  3. Step 3: Cross multiply
    234,272.25x = 351,418.10 × 68,060.25
  4. Step 4: Simplify right side
    234,272.25x = 23,917,603,400.22
  5. Step 5: Solve for x
    x = 23,917,603,400.22/234,272.25
  6. Step 6: Final answer
    x = 102,093.20

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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.