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Finding the Fourth Proportional to 68,092.17, 102,188.06 and 34,840.05

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Solution

The fourth proportional to 68,092.17, 102,188.06 and 34,840.05 is: 52,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092.17 : 102,188.06 = 34,840.05 : x
  2. Step 2: Convert to fraction form
    68,092.17/102,188.06 = 34,840.05/x
  3. Step 3: Cross multiply
    68,092.17x = 102,188.06 × 34,840.05
  4. Step 4: Simplify right side
    68,092.17x = 3,560,237,119.80
  5. Step 5: Solve for x
    x = 3,560,237,119.80/68,092.17
  6. Step 6: Final answer
    x = 52,285.56

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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.