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Finding the Fourth Proportional to 273,785.67, 409,679.37 and 161,519.67

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Solution

The fourth proportional to 273,785.67, 409,679.37 and 161,519.67 is: 241,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,785.67 : 409,679.37 = 161,519.67 : x
  2. Step 2: Convert to fraction form
    273,785.67/409,679.37 = 161,519.67/x
  3. Step 3: Cross multiply
    273,785.67x = 409,679.37 × 161,519.67
  4. Step 4: Simplify right side
    273,785.67x = 66,171,276,648.21
  5. Step 5: Solve for x
    x = 66,171,276,648.21/273,785.67
  6. Step 6: Final answer
    x = 241,690.07

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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.