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Finding the Fourth Proportional to 68,366.67, 102,549.57 and 36,791.60

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Solution

The fourth proportional to 68,366.67, 102,549.57 and 36,791.60 is: 55,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.67 : 102,549.57 = 36,791.60 : x
  2. Step 2: Convert to fraction form
    68,366.67/102,549.57 = 36,791.60/x
  3. Step 3: Cross multiply
    68,366.67x = 102,549.57 × 36,791.60
  4. Step 4: Simplify right side
    68,366.67x = 3,772,962,246.86
  5. Step 5: Solve for x
    x = 3,772,962,246.86/68,366.67
  6. Step 6: Final answer
    x = 55,187.16

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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.