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Finding the Fourth Proportional to 100,380.26, 150,757.59 and 88,376.67

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Solution

The fourth proportional to 100,380.26, 150,757.59 and 88,376.67 is: 132,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,380.26 : 150,757.59 = 88,376.67 : x
  2. Step 2: Convert to fraction form
    100,380.26/150,757.59 = 88,376.67/x
  3. Step 3: Cross multiply
    100,380.26x = 150,757.59 × 88,376.67
  4. Step 4: Simplify right side
    100,380.26x = 13,323,453,781.43
  5. Step 5: Solve for x
    x = 13,323,453,781.43/100,380.26
  6. Step 6: Final answer
    x = 132,729.83

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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.