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Finding the Fourth Proportional to 192,514.89, 265,563.90 and 111,933.51

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Solution

The fourth proportional to 192,514.89, 265,563.90 and 111,933.51 is: 154,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,514.89 : 265,563.90 = 111,933.51 : x
  2. Step 2: Convert to fraction form
    192,514.89/265,563.90 = 111,933.51/x
  3. Step 3: Cross multiply
    192,514.89x = 265,563.90 × 111,933.51
  4. Step 4: Simplify right side
    192,514.89x = 29,725,497,568.80
  5. Step 5: Solve for x
    x = 29,725,497,568.80/192,514.89
  6. Step 6: Final answer
    x = 154,406.23

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1.5x scale

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.