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Finding the Fourth Proportional to 177,751.60, 266,627.32 and 71,183.56

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Solution

The fourth proportional to 177,751.60, 266,627.32 and 71,183.56 is: 106,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,751.60 : 266,627.32 = 71,183.56 : x
  2. Step 2: Convert to fraction form
    177,751.60/266,627.32 = 71,183.56/x
  3. Step 3: Cross multiply
    177,751.60x = 266,627.32 × 71,183.56
  4. Step 4: Simplify right side
    177,751.60x = 18,979,481,830.86
  5. Step 5: Solve for x
    x = 18,979,481,830.86/177,751.60
  6. Step 6: Final answer
    x = 106,775.31

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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.