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Finding the Fourth Proportional to 104,418.60, 156,627.90 and 100,336.20

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Solution

The fourth proportional to 104,418.60, 156,627.90 and 100,336.20 is: 150,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.60 : 156,627.90 = 100,336.20 : x
  2. Step 2: Convert to fraction form
    104,418.60/156,627.90 = 100,336.20/x
  3. Step 3: Cross multiply
    104,418.60x = 156,627.90 × 100,336.20
  4. Step 4: Simplify right side
    104,418.60x = 15,715,448,299.98
  5. Step 5: Solve for x
    x = 15,715,448,299.98/104,418.60
  6. Step 6: Final answer
    x = 150,504.30

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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.