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Finding the Fourth Proportional to 160,788.69, 241,183.89 and 65,994.39

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Solution

The fourth proportional to 160,788.69, 241,183.89 and 65,994.39 is: 98,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,788.69 : 241,183.89 = 65,994.39 : x
  2. Step 2: Convert to fraction form
    160,788.69/241,183.89 = 65,994.39/x
  3. Step 3: Cross multiply
    160,788.69x = 241,183.89 × 65,994.39
  4. Step 4: Simplify right side
    160,788.69x = 15,916,783,698.38
  5. Step 5: Solve for x
    x = 15,916,783,698.38/160,788.69
  6. Step 6: Final answer
    x = 98,991.94

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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.