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Finding the Fourth Proportional to 118,891.87, 178,285.97 and 44,968.03

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Solution

The fourth proportional to 118,891.87, 178,285.97 and 44,968.03 is: 67,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.87 : 178,285.97 = 44,968.03 : x
  2. Step 2: Convert to fraction form
    118,891.87/178,285.97 = 44,968.03/x
  3. Step 3: Cross multiply
    118,891.87x = 178,285.97 × 44,968.03
  4. Step 4: Simplify right side
    118,891.87x = 8,017,168,845.56
  5. Step 5: Solve for x
    x = 8,017,168,845.56/118,891.87
  6. Step 6: Final answer
    x = 67,432.44

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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.