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Finding the Fourth Proportional to 199,203.54, 274,893.93 and 108,557.67

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Solution

The fourth proportional to 199,203.54, 274,893.93 and 108,557.67 is: 149,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.54 : 274,893.93 = 108,557.67 : x
  2. Step 2: Convert to fraction form
    199,203.54/274,893.93 = 108,557.67/x
  3. Step 3: Cross multiply
    199,203.54x = 274,893.93 × 108,557.67
  4. Step 4: Simplify right side
    199,203.54x = 29,841,844,537.94
  5. Step 5: Solve for x
    x = 29,841,844,537.94/199,203.54
  6. Step 6: Final answer
    x = 149,805.79

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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.