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Finding the Fourth Proportional to 68,366.16, 102,548.82 and 36,791.10

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Solution

The fourth proportional to 68,366.16, 102,548.82 and 36,791.10 is: 55,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.16 : 102,548.82 = 36,791.10 : x
  2. Step 2: Convert to fraction form
    68,366.16/102,548.82 = 36,791.10/x
  3. Step 3: Cross multiply
    68,366.16x = 102,548.82 × 36,791.10
  4. Step 4: Simplify right side
    68,366.16x = 3,772,883,891.50
  5. Step 5: Solve for x
    x = 3,772,883,891.50/68,366.16
  6. Step 6: Final answer
    x = 55,186.42

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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.