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Finding the Fourth Proportional to 78,092.73, 107,763.62 and 44,108.17

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Solution

The fourth proportional to 78,092.73, 107,763.62 and 44,108.17 is: 60,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,092.73 : 107,763.62 = 44,108.17 : x
  2. Step 2: Convert to fraction form
    78,092.73/107,763.62 = 44,108.17/x
  3. Step 3: Cross multiply
    78,092.73x = 107,763.62 × 44,108.17
  4. Step 4: Simplify right side
    78,092.73x = 4,753,255,580.83
  5. Step 5: Solve for x
    x = 4,753,255,580.83/78,092.73
  6. Step 6: Final answer
    x = 60,866.81

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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.