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Finding the Fourth Proportional to 182,734.65, 274,120.77 and 68,978.27

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Solution

The fourth proportional to 182,734.65, 274,120.77 and 68,978.27 is: 103,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,734.65 : 274,120.77 = 68,978.27 : x
  2. Step 2: Convert to fraction form
    182,734.65/274,120.77 = 68,978.27/x
  3. Step 3: Cross multiply
    182,734.65x = 274,120.77 × 68,978.27
  4. Step 4: Simplify right side
    182,734.65x = 18,908,377,170.97
  5. Step 5: Solve for x
    x = 18,908,377,170.97/182,734.65
  6. Step 6: Final answer
    x = 103,474.50

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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.