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Finding the Fourth Proportional to 188,234.96, 259,767.96 and 103,351.28

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Solution

The fourth proportional to 188,234.96, 259,767.96 and 103,351.28 is: 142,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,234.96 : 259,767.96 = 103,351.28 : x
  2. Step 2: Convert to fraction form
    188,234.96/259,767.96 = 103,351.28/x
  3. Step 3: Cross multiply
    188,234.96x = 259,767.96 × 103,351.28
  4. Step 4: Simplify right side
    188,234.96x = 26,847,351,168.99
  5. Step 5: Solve for x
    x = 26,847,351,168.99/188,234.96
  6. Step 6: Final answer
    x = 142,626.81

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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.