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Finding the Fourth Proportional to 173,243.50, 239,076.03 and 93,755.50

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Solution

The fourth proportional to 173,243.50, 239,076.03 and 93,755.50 is: 129,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243.50 : 239,076.03 = 93,755.50 : x
  2. Step 2: Convert to fraction form
    173,243.50/239,076.03 = 93,755.50/x
  3. Step 3: Cross multiply
    173,243.50x = 239,076.03 × 93,755.50
  4. Step 4: Simplify right side
    173,243.50x = 22,414,692,730.67
  5. Step 5: Solve for x
    x = 22,414,692,730.67/173,243.50
  6. Step 6: Final answer
    x = 129,382.59

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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.