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Finding the Fourth Proportional to 246,993, 340,850.66 and 133,815.74

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Solution

The fourth proportional to 246,993, 340,850.66 and 133,815.74 is: 184,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,993 : 340,850.66 = 133,815.74 : x
  2. Step 2: Convert to fraction form
    246,993/340,850.66 = 133,815.74/x
  3. Step 3: Cross multiply
    246,993x = 340,850.66 × 133,815.74
  4. Step 4: Simplify right side
    246,993x = 45,611,183,297.39
  5. Step 5: Solve for x
    x = 45,611,183,297.39/246,993
  6. Step 6: Final answer
    x = 184,665.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.