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Finding the Fourth Proportional to 188,324.94, 259,933.26 and 107,799

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Solution

The fourth proportional to 188,324.94, 259,933.26 and 107,799 is: 148,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,324.94 : 259,933.26 = 107,799 : x
  2. Step 2: Convert to fraction form
    188,324.94/259,933.26 = 107,799/x
  3. Step 3: Cross multiply
    188,324.94x = 259,933.26 × 107,799
  4. Step 4: Simplify right side
    188,324.94x = 28,020,545,494.74
  5. Step 5: Solve for x
    x = 28,020,545,494.74/188,324.94
  6. Step 6: Final answer
    x = 148,788.29

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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.