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Finding the Fourth Proportional to 227,640.40, 341,460.60 and 161,155.60

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Solution

The fourth proportional to 227,640.40, 341,460.60 and 161,155.60 is: 241,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,640.40 : 341,460.60 = 161,155.60 : x
  2. Step 2: Convert to fraction form
    227,640.40/341,460.60 = 161,155.60/x
  3. Step 3: Cross multiply
    227,640.40x = 341,460.60 × 161,155.60
  4. Step 4: Simplify right side
    227,640.40x = 55,028,287,869.36
  5. Step 5: Solve for x
    x = 55,028,287,869.36/227,640.40
  6. Step 6: Final answer
    x = 241,733.40

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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.