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Finding the Fourth Proportional to 100,375.90, 150,563.14 and 25,496.26

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Solution

The fourth proportional to 100,375.90, 150,563.14 and 25,496.26 is: 38,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,375.90 : 150,563.14 = 25,496.26 : x
  2. Step 2: Convert to fraction form
    100,375.90/150,563.14 = 25,496.26/x
  3. Step 3: Cross multiply
    100,375.90x = 150,563.14 × 25,496.26
  4. Step 4: Simplify right side
    100,375.90x = 3,838,796,963.86
  5. Step 5: Solve for x
    x = 3,838,796,963.86/100,375.90
  6. Step 6: Final answer
    x = 38,244.21

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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.