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Finding the Fourth Proportional to 68,416.52, 94,388.82 and 41,548.88

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Solution

The fourth proportional to 68,416.52, 94,388.82 and 41,548.88 is: 57,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.52 : 94,388.82 = 41,548.88 : x
  2. Step 2: Convert to fraction form
    68,416.52/94,388.82 = 41,548.88/x
  3. Step 3: Cross multiply
    68,416.52x = 94,388.82 × 41,548.88
  4. Step 4: Simplify right side
    68,416.52x = 3,921,749,755.52
  5. Step 5: Solve for x
    x = 3,921,749,755.52/68,416.52
  6. Step 6: Final answer
    x = 57,321.68

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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.