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Finding the Fourth Proportional to 188,350.86, 259,940.25 and 106,693.68

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Solution

The fourth proportional to 188,350.86, 259,940.25 and 106,693.68 is: 147,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,350.86 : 259,940.25 = 106,693.68 : x
  2. Step 2: Convert to fraction form
    188,350.86/259,940.25 = 106,693.68/x
  3. Step 3: Cross multiply
    188,350.86x = 259,940.25 × 106,693.68
  4. Step 4: Simplify right side
    188,350.86x = 27,733,981,852.62
  5. Step 5: Solve for x
    x = 27,733,981,852.62/188,350.86
  6. Step 6: Final answer
    x = 147,246.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.