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Finding the Fourth Proportional to 214,163.60, 321,245.40 and 151,955.60

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Solution

The fourth proportional to 214,163.60, 321,245.40 and 151,955.60 is: 227,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,163.60 : 321,245.40 = 151,955.60 : x
  2. Step 2: Convert to fraction form
    214,163.60/321,245.40 = 151,955.60/x
  3. Step 3: Cross multiply
    214,163.60x = 321,245.40 × 151,955.60
  4. Step 4: Simplify right side
    214,163.60x = 48,815,037,504.24
  5. Step 5: Solve for x
    x = 48,815,037,504.24/214,163.60
  6. Step 6: Final answer
    x = 227,933.40

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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.