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Finding the Fourth Proportional to 252,186.89, 348,042.42 and 188,413.97

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Solution

The fourth proportional to 252,186.89, 348,042.42 and 188,413.97 is: 260,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,186.89 : 348,042.42 = 188,413.97 : x
  2. Step 2: Convert to fraction form
    252,186.89/348,042.42 = 188,413.97/x
  3. Step 3: Cross multiply
    252,186.89x = 348,042.42 × 188,413.97
  4. Step 4: Simplify right side
    252,186.89x = 65,576,052,340.40
  5. Step 5: Solve for x
    x = 65,576,052,340.40/252,186.89
  6. Step 6: Final answer
    x = 260,029.59

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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.