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Finding the Fourth Proportional to 178,794.43, 246,693.78 and 101,270.74

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Solution

The fourth proportional to 178,794.43, 246,693.78 and 101,270.74 is: 139,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,794.43 : 246,693.78 = 101,270.74 : x
  2. Step 2: Convert to fraction form
    178,794.43/246,693.78 = 101,270.74/x
  3. Step 3: Cross multiply
    178,794.43x = 246,693.78 × 101,270.74
  4. Step 4: Simplify right side
    178,794.43x = 24,982,861,654.00
  5. Step 5: Solve for x
    x = 24,982,861,654.00/178,794.43
  6. Step 6: Final answer
    x = 139,729.53

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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.