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Finding the Fourth Proportional to 100,544.59, 150,816.75 and 25,664.73

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Solution

The fourth proportional to 100,544.59, 150,816.75 and 25,664.73 is: 38,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,544.59 : 150,816.75 = 25,664.73 : x
  2. Step 2: Convert to fraction form
    100,544.59/150,816.75 = 25,664.73/x
  3. Step 3: Cross multiply
    100,544.59x = 150,816.75 × 25,664.73
  4. Step 4: Simplify right side
    100,544.59x = 3,870,671,168.23
  5. Step 5: Solve for x
    x = 3,870,671,168.23/100,544.59
  6. Step 6: Final answer
    x = 38,497.06

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1.5x scale

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.