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Finding the Fourth Proportional to 76,244.52, 104,999.94 and 68,625.96

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Solution

The fourth proportional to 76,244.52, 104,999.94 and 68,625.96 is: 94,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,244.52 : 104,999.94 = 68,625.96 : x
  2. Step 2: Convert to fraction form
    76,244.52/104,999.94 = 68,625.96/x
  3. Step 3: Cross multiply
    76,244.52x = 104,999.94 × 68,625.96
  4. Step 4: Simplify right side
    76,244.52x = 7,205,721,682.44
  5. Step 5: Solve for x
    x = 7,205,721,682.44/76,244.52
  6. Step 6: Final answer
    x = 94,508.06

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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.