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Finding the Fourth Proportional to 188,502.26, 282,664.56 and 68,474.61

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Solution

The fourth proportional to 188,502.26, 282,664.56 and 68,474.61 is: 102,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502.26 : 282,664.56 = 68,474.61 : x
  2. Step 2: Convert to fraction form
    188,502.26/282,664.56 = 68,474.61/x
  3. Step 3: Cross multiply
    188,502.26x = 282,664.56 × 68,474.61
  4. Step 4: Simplify right side
    188,502.26x = 19,355,345,506.82
  5. Step 5: Solve for x
    x = 19,355,345,506.82/188,502.26
  6. Step 6: Final answer
    x = 102,679.65

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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.