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Finding the Fourth Proportional to 118,892.62, 178,287.09 and 44,968.78

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Solution

The fourth proportional to 118,892.62, 178,287.09 and 44,968.78 is: 67,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892.62 : 178,287.09 = 44,968.78 : x
  2. Step 2: Convert to fraction form
    118,892.62/178,287.09 = 44,968.78/x
  3. Step 3: Cross multiply
    118,892.62x = 178,287.09 × 44,968.78
  4. Step 4: Simplify right side
    118,892.62x = 8,017,353,149.91
  5. Step 5: Solve for x
    x = 8,017,353,149.91/118,892.62
  6. Step 6: Final answer
    x = 67,433.56

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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.