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Finding the Fourth Proportional to 192,532.86, 265,694.48 and 107,649.92

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Solution

The fourth proportional to 192,532.86, 265,694.48 and 107,649.92 is: 148,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,532.86 : 265,694.48 = 107,649.92 : x
  2. Step 2: Convert to fraction form
    192,532.86/265,694.48 = 107,649.92/x
  3. Step 3: Cross multiply
    192,532.86x = 265,694.48 × 107,649.92
  4. Step 4: Simplify right side
    192,532.86x = 28,601,990,449.80
  5. Step 5: Solve for x
    x = 28,601,990,449.80/192,532.86
  6. Step 6: Final answer
    x = 148,556.41

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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.