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Finding the Fourth Proportional to 273,073.41, 409,544.46 and 139,885.11

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Solution

The fourth proportional to 273,073.41, 409,544.46 and 139,885.11 is: 209,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,073.41 : 409,544.46 = 139,885.11 : x
  2. Step 2: Convert to fraction form
    273,073.41/409,544.46 = 139,885.11/x
  3. Step 3: Cross multiply
    273,073.41x = 409,544.46 × 139,885.11
  4. Step 4: Simplify right side
    273,073.41x = 57,289,171,836.99
  5. Step 5: Solve for x
    x = 57,289,171,836.99/273,073.41
  6. Step 6: Final answer
    x = 209,794.03

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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.