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Finding the Fourth Proportional to 227,687.40, 341,531.10 and 161,202.60

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Solution

The fourth proportional to 227,687.40, 341,531.10 and 161,202.60 is: 241,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,687.40 : 341,531.10 = 161,202.60 : x
  2. Step 2: Convert to fraction form
    227,687.40/341,531.10 = 161,202.60/x
  3. Step 3: Cross multiply
    227,687.40x = 341,531.10 × 161,202.60
  4. Step 4: Simplify right side
    227,687.40x = 55,055,701,300.86
  5. Step 5: Solve for x
    x = 55,055,701,300.86/227,687.40
  6. Step 6: Final answer
    x = 241,803.90

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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.