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Finding the Fourth Proportional to 68,874.94, 95,054.26 and 42,035.44

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Solution

The fourth proportional to 68,874.94, 95,054.26 and 42,035.44 is: 58,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874.94 : 95,054.26 = 42,035.44 : x
  2. Step 2: Convert to fraction form
    68,874.94/95,054.26 = 42,035.44/x
  3. Step 3: Cross multiply
    68,874.94x = 95,054.26 × 42,035.44
  4. Step 4: Simplify right side
    68,874.94x = 3,995,647,642.97
  5. Step 5: Solve for x
    x = 3,995,647,642.97/68,874.94
  6. Step 6: Final answer
    x = 58,013.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.