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Finding the Fourth Proportional to 227,634.40, 341,840.40 and 149,096.80

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Solution

The fourth proportional to 227,634.40, 341,840.40 and 149,096.80 is: 223,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,634.40 : 341,840.40 = 149,096.80 : x
  2. Step 2: Convert to fraction form
    227,634.40/341,840.40 = 149,096.80/x
  3. Step 3: Cross multiply
    227,634.40x = 341,840.40 × 149,096.80
  4. Step 4: Simplify right side
    227,634.40x = 50,967,309,750.72
  5. Step 5: Solve for x
    x = 50,967,309,750.72/227,634.40
  6. Step 6: Final answer
    x = 223,899.86

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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.