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Finding the Fourth Proportional to 169,786.48, 254,329.72 and 99,452.56

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Solution

The fourth proportional to 169,786.48, 254,329.72 and 99,452.56 is: 148,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,786.48 : 254,329.72 = 99,452.56 : x
  2. Step 2: Convert to fraction form
    169,786.48/254,329.72 = 99,452.56/x
  3. Step 3: Cross multiply
    169,786.48x = 254,329.72 × 99,452.56
  4. Step 4: Simplify right side
    169,786.48x = 25,293,741,738.08
  5. Step 5: Solve for x
    x = 25,293,741,738.08/169,786.48
  6. Step 6: Final answer
    x = 148,973.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.