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Finding the Fourth Proportional to 183,578.92, 275,208 and 71,181.70

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Solution

The fourth proportional to 183,578.92, 275,208 and 71,181.70 is: 106,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,578.92 : 275,208 = 71,181.70 : x
  2. Step 2: Convert to fraction form
    183,578.92/275,208 = 71,181.70/x
  3. Step 3: Cross multiply
    183,578.92x = 275,208 × 71,181.70
  4. Step 4: Simplify right side
    183,578.92x = 19,589,773,293.60
  5. Step 5: Solve for x
    x = 19,589,773,293.60/183,578.92
  6. Step 6: Final answer
    x = 106,710.36

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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.