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Finding the Fourth Proportional to 61,363.36, 91,910.12 and 50,712.68

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Solution

The fourth proportional to 61,363.36, 91,910.12 and 50,712.68 is: 75,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.36 : 91,910.12 = 50,712.68 : x
  2. Step 2: Convert to fraction form
    61,363.36/91,910.12 = 50,712.68/x
  3. Step 3: Cross multiply
    61,363.36x = 91,910.12 × 50,712.68
  4. Step 4: Simplify right side
    61,363.36x = 4,661,008,504.32
  5. Step 5: Solve for x
    x = 4,661,008,504.32/61,363.36
  6. Step 6: Final answer
    x = 75,957.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.