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Finding the Fourth Proportional to 100,544.74, 150,816.97 and 25,664.91

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Solution

The fourth proportional to 100,544.74, 150,816.97 and 25,664.91 is: 38,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,544.74 : 150,816.97 = 25,664.91 : x
  2. Step 2: Convert to fraction form
    100,544.74/150,816.97 = 25,664.91/x
  3. Step 3: Cross multiply
    100,544.74x = 150,816.97 × 25,664.91
  4. Step 4: Simplify right side
    100,544.74x = 3,870,703,961.52
  5. Step 5: Solve for x
    x = 3,870,703,961.52/100,544.74
  6. Step 6: Final answer
    x = 38,497.33

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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.