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Finding the Fourth Proportional to 266,647.62, 367,974.38 and 145,796.70

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Solution

The fourth proportional to 266,647.62, 367,974.38 and 145,796.70 is: 201,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,647.62 : 367,974.38 = 145,796.70 : x
  2. Step 2: Convert to fraction form
    266,647.62/367,974.38 = 145,796.70/x
  3. Step 3: Cross multiply
    266,647.62x = 367,974.38 × 145,796.70
  4. Step 4: Simplify right side
    266,647.62x = 53,649,449,559.56
  5. Step 5: Solve for x
    x = 53,649,449,559.56/266,647.62
  6. Step 6: Final answer
    x = 201,199.81

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