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Finding the Fourth Proportional to 68,047.76, 102,092.39 and 34,791.18

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Solution

The fourth proportional to 68,047.76, 102,092.39 and 34,791.18 is: 52,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.76 : 102,092.39 = 34,791.18 : x
  2. Step 2: Convert to fraction form
    68,047.76/102,092.39 = 34,791.18/x
  3. Step 3: Cross multiply
    68,047.76x = 102,092.39 × 34,791.18
  4. Step 4: Simplify right side
    68,047.76x = 3,551,914,543.16
  5. Step 5: Solve for x
    x = 3,551,914,543.16/68,047.76
  6. Step 6: Final answer
    x = 52,197.38

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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.