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Finding the Fourth Proportional to 183,576.92, 275,205 and 71,179.70

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Solution

The fourth proportional to 183,576.92, 275,205 and 71,179.70 is: 106,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,576.92 : 275,205 = 71,179.70 : x
  2. Step 2: Convert to fraction form
    183,576.92/275,205 = 71,179.70/x
  3. Step 3: Cross multiply
    183,576.92x = 275,205 × 71,179.70
  4. Step 4: Simplify right side
    183,576.92x = 19,589,009,338.50
  5. Step 5: Solve for x
    x = 19,589,009,338.50/183,576.92
  6. Step 6: Final answer
    x = 106,707.36

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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.