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Finding the Fourth Proportional to 100,373.90, 150,560.14 and 25,494.26

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Solution

The fourth proportional to 100,373.90, 150,560.14 and 25,494.26 is: 38,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,373.90 : 150,560.14 = 25,494.26 : x
  2. Step 2: Convert to fraction form
    100,373.90/150,560.14 = 25,494.26/x
  3. Step 3: Cross multiply
    100,373.90x = 150,560.14 × 25,494.26
  4. Step 4: Simplify right side
    100,373.90x = 3,838,419,354.80
  5. Step 5: Solve for x
    x = 3,838,419,354.80/100,373.90
  6. Step 6: Final answer
    x = 38,241.21

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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.