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Finding the Fourth Proportional to 182,611.20, 274,121.60 and 141,241.60

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Solution

The fourth proportional to 182,611.20, 274,121.60 and 141,241.60 is: 212,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,611.20 : 274,121.60 = 141,241.60 : x
  2. Step 2: Convert to fraction form
    182,611.20/274,121.60 = 141,241.60/x
  3. Step 3: Cross multiply
    182,611.20x = 274,121.60 × 141,241.60
  4. Step 4: Simplify right side
    182,611.20x = 38,717,373,378.56
  5. Step 5: Solve for x
    x = 38,717,373,378.56/182,611.20
  6. Step 6: Final answer
    x = 212,020.80

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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.