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Finding the Fourth Proportional to 163,544.57, 225,697.90 and 91,924.37

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Solution

The fourth proportional to 163,544.57, 225,697.90 and 91,924.37 is: 126,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,544.57 : 225,697.90 = 91,924.37 : x
  2. Step 2: Convert to fraction form
    163,544.57/225,697.90 = 91,924.37/x
  3. Step 3: Cross multiply
    163,544.57x = 225,697.90 × 91,924.37
  4. Step 4: Simplify right side
    163,544.57x = 20,747,136,139.33
  5. Step 5: Solve for x
    x = 20,747,136,139.33/163,544.57
  6. Step 6: Final answer
    x = 126,859.22

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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.