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Finding the Fourth Proportional to 118,951.74, 178,416.54 and 44,072.64

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Solution

The fourth proportional to 118,951.74, 178,416.54 and 44,072.64 is: 66,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,951.74 : 178,416.54 = 44,072.64 : x
  2. Step 2: Convert to fraction form
    118,951.74/178,416.54 = 44,072.64/x
  3. Step 3: Cross multiply
    118,951.74x = 178,416.54 × 44,072.64
  4. Step 4: Simplify right side
    118,951.74x = 7,863,287,937.47
  5. Step 5: Solve for x
    x = 7,863,287,937.47/118,951.74
  6. Step 6: Final answer
    x = 66,104.86

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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.