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Finding the Fourth Proportional to 270,096.12, 372,731.22 and 149,245.74

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Solution

The fourth proportional to 270,096.12, 372,731.22 and 149,245.74 is: 205,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,096.12 : 372,731.22 = 149,245.74 : x
  2. Step 2: Convert to fraction form
    270,096.12/372,731.22 = 149,245.74/x
  3. Step 3: Cross multiply
    270,096.12x = 372,731.22 × 149,245.74
  4. Step 4: Simplify right side
    270,096.12x = 55,628,546,750.00
  5. Step 5: Solve for x
    x = 55,628,546,750.00/270,096.12
  6. Step 6: Final answer
    x = 205,958.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.