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Finding the Fourth Proportional to 237,415.89, 356,142.29 and 68,939.00

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Solution

The fourth proportional to 237,415.89, 356,142.29 and 68,939.00 is: 103,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,415.89 : 356,142.29 = 68,939.00 : x
  2. Step 2: Convert to fraction form
    237,415.89/356,142.29 = 68,939.00/x
  3. Step 3: Cross multiply
    237,415.89x = 356,142.29 × 68,939.00
  4. Step 4: Simplify right side
    237,415.89x = 24,552,092,540.44
  5. Step 5: Solve for x
    x = 24,552,092,540.44/237,415.89
  6. Step 6: Final answer
    x = 103,413.85

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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.