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Finding the Fourth Proportional to 68,105.57, 93,932.43 and 44,239.93

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Solution

The fourth proportional to 68,105.57, 93,932.43 and 44,239.93 is: 61,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.57 : 93,932.43 = 44,239.93 : x
  2. Step 2: Convert to fraction form
    68,105.57/93,932.43 = 44,239.93/x
  3. Step 3: Cross multiply
    68,105.57x = 93,932.43 × 44,239.93
  4. Step 4: Simplify right side
    68,105.57x = 4,155,563,727.20
  5. Step 5: Solve for x
    x = 4,155,563,727.20/68,105.57
  6. Step 6: Final answer
    x = 61,016.51

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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.