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Finding the Fourth Proportional to 68,393.73, 102,591.81 and 36,829.65

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Solution

The fourth proportional to 68,393.73, 102,591.81 and 36,829.65 is: 55,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,393.73 : 102,591.81 = 36,829.65 : x
  2. Step 2: Convert to fraction form
    68,393.73/102,591.81 = 36,829.65/x
  3. Step 3: Cross multiply
    68,393.73x = 102,591.81 × 36,829.65
  4. Step 4: Simplify right side
    68,393.73x = 3,778,420,455.17
  5. Step 5: Solve for x
    x = 3,778,420,455.17/68,393.73
  6. Step 6: Final answer
    x = 55,245.13

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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.