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Finding the Fourth Proportional to 114,444.60, 171,321.30 and 100,620.60

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Solution

The fourth proportional to 114,444.60, 171,321.30 and 100,620.60 is: 150,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,444.60 : 171,321.30 = 100,620.60 : x
  2. Step 2: Convert to fraction form
    114,444.60/171,321.30 = 100,620.60/x
  3. Step 3: Cross multiply
    114,444.60x = 171,321.30 × 100,620.60
  4. Step 4: Simplify right side
    114,444.60x = 17,238,451,998.78
  5. Step 5: Solve for x
    x = 17,238,451,998.78/114,444.60
  6. Step 6: Final answer
    x = 150,627.05

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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.