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Finding the Fourth Proportional to 270,064.77, 405,183.70 and 189,096.14

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Solution

The fourth proportional to 270,064.77, 405,183.70 and 189,096.14 is: 283,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,064.77 : 405,183.70 = 189,096.14 : x
  2. Step 2: Convert to fraction form
    270,064.77/405,183.70 = 189,096.14/x
  3. Step 3: Cross multiply
    270,064.77x = 405,183.70 × 189,096.14
  4. Step 4: Simplify right side
    270,064.77x = 76,618,671,206.56
  5. Step 5: Solve for x
    x = 76,618,671,206.56/270,064.77
  6. Step 6: Final answer
    x = 283,704.80

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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.