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Finding the Fourth Proportional to 177,578.60, 266,951.10 and 151,917.80

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Solution

The fourth proportional to 177,578.60, 266,951.10 and 151,917.80 is: 228,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,578.60 : 266,951.10 = 151,917.80 : x
  2. Step 2: Convert to fraction form
    177,578.60/266,951.10 = 151,917.80/x
  3. Step 3: Cross multiply
    177,578.60x = 266,951.10 × 151,917.80
  4. Step 4: Simplify right side
    177,578.60x = 40,554,623,819.58
  5. Step 5: Solve for x
    x = 40,554,623,819.58/177,578.60
  6. Step 6: Final answer
    x = 228,375.63

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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.