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Finding the Fourth Proportional to 68,257.92, 94,192 and 38,042.24

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Solution

The fourth proportional to 68,257.92, 94,192 and 38,042.24 is: 52,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,257.92 : 94,192 = 38,042.24 : x
  2. Step 2: Convert to fraction form
    68,257.92/94,192 = 38,042.24/x
  3. Step 3: Cross multiply
    68,257.92x = 94,192 × 38,042.24
  4. Step 4: Simplify right side
    68,257.92x = 3,583,274,670.08
  5. Step 5: Solve for x
    x = 3,583,274,670.08/68,257.92
  6. Step 6: Final answer
    x = 52,496.10

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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.