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Finding the Fourth Proportional to 178,469.60, 267,243.60 and 141,605.60

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Solution

The fourth proportional to 178,469.60, 267,243.60 and 141,605.60 is: 212,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,469.60 : 267,243.60 = 141,605.60 : x
  2. Step 2: Convert to fraction form
    178,469.60/267,243.60 = 141,605.60/x
  3. Step 3: Cross multiply
    178,469.60x = 267,243.60 × 141,605.60
  4. Step 4: Simplify right side
    178,469.60x = 37,843,190,324.16
  5. Step 5: Solve for x
    x = 37,843,190,324.16/178,469.60
  6. Step 6: Final answer
    x = 212,042.78

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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.