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Finding the Fourth Proportional to 104,449.60, 156,674.40 and 100,367.20

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Solution

The fourth proportional to 104,449.60, 156,674.40 and 100,367.20 is: 150,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,449.60 : 156,674.40 = 100,367.20 : x
  2. Step 2: Convert to fraction form
    104,449.60/156,674.40 = 100,367.20/x
  3. Step 3: Cross multiply
    104,449.60x = 156,674.40 × 100,367.20
  4. Step 4: Simplify right side
    104,449.60x = 15,724,970,839.68
  5. Step 5: Solve for x
    x = 15,724,970,839.68/104,449.60
  6. Step 6: Final answer
    x = 150,550.80

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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.