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Finding the Fourth Proportional to 192,709.20, 265,950.36 and 107,824.44

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Solution

The fourth proportional to 192,709.20, 265,950.36 and 107,824.44 is: 148,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,709.20 : 265,950.36 = 107,824.44 : x
  2. Step 2: Convert to fraction form
    192,709.20/265,950.36 = 107,824.44/x
  3. Step 3: Cross multiply
    192,709.20x = 265,950.36 × 107,824.44
  4. Step 4: Simplify right side
    192,709.20x = 28,675,948,634.80
  5. Step 5: Solve for x
    x = 28,675,948,634.80/192,709.20
  6. Step 6: Final answer
    x = 148,804.25

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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.