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Finding the Fourth Proportional to 100,361.58, 150,542.44 and 25,487.34

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Solution

The fourth proportional to 100,361.58, 150,542.44 and 25,487.34 is: 38,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361.58 : 150,542.44 = 25,487.34 : x
  2. Step 2: Convert to fraction form
    100,361.58/150,542.44 = 25,487.34/x
  3. Step 3: Cross multiply
    100,361.58x = 150,542.44 × 25,487.34
  4. Step 4: Simplify right side
    100,361.58x = 3,836,926,352.71
  5. Step 5: Solve for x
    x = 3,836,926,352.71/100,361.58
  6. Step 6: Final answer
    x = 38,231.03

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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.