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Finding the Fourth Proportional to 159,512.80, 239,625.60 and 133,268.80

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Solution

The fourth proportional to 159,512.80, 239,625.60 and 133,268.80 is: 200,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,512.80 : 239,625.60 = 133,268.80 : x
  2. Step 2: Convert to fraction form
    159,512.80/239,625.60 = 133,268.80/x
  3. Step 3: Cross multiply
    159,512.80x = 239,625.60 × 133,268.80
  4. Step 4: Simplify right side
    159,512.80x = 31,934,616,161.28
  5. Step 5: Solve for x
    x = 31,934,616,161.28/159,512.80
  6. Step 6: Final answer
    x = 200,200.96

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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.