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Finding the Fourth Proportional to 192,514.39, 265,563.21 and 111,933.01

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Solution

The fourth proportional to 192,514.39, 265,563.21 and 111,933.01 is: 154,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,514.39 : 265,563.21 = 111,933.01 : x
  2. Step 2: Convert to fraction form
    192,514.39/265,563.21 = 111,933.01/x
  3. Step 3: Cross multiply
    192,514.39x = 265,563.21 × 111,933.01
  4. Step 4: Simplify right side
    192,514.39x = 29,725,287,553.08
  5. Step 5: Solve for x
    x = 29,725,287,553.08/192,514.39
  6. Step 6: Final answer
    x = 154,405.54

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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.