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Finding the Fourth Proportional to 304,936.93, 420,806.67 and 168,969.68

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Solution

The fourth proportional to 304,936.93, 420,806.67 and 168,969.68 is: 233,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,936.93 : 420,806.67 = 168,969.68 : x
  2. Step 2: Convert to fraction form
    304,936.93/420,806.67 = 168,969.68/x
  3. Step 3: Cross multiply
    304,936.93x = 420,806.67 × 168,969.68
  4. Step 4: Simplify right side
    304,936.93x = 71,103,568,371.77
  5. Step 5: Solve for x
    x = 71,103,568,371.77/304,936.93
  6. Step 6: Final answer
    x = 233,174.67

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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.