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Finding the Fourth Proportional to 180,268.53, 270,212.11 and 67,900.12

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Solution

The fourth proportional to 180,268.53, 270,212.11 and 67,900.12 is: 101,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,268.53 : 270,212.11 = 67,900.12 : x
  2. Step 2: Convert to fraction form
    180,268.53/270,212.11 = 67,900.12/x
  3. Step 3: Cross multiply
    180,268.53x = 270,212.11 × 67,900.12
  4. Step 4: Simplify right side
    180,268.53x = 18,347,434,694.45
  5. Step 5: Solve for x
    x = 18,347,434,694.45/180,268.53
  6. Step 6: Final answer
    x = 101,778.36

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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.