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Finding the Fourth Proportional to 173,244, 239,076.72 and 93,756

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Solution

The fourth proportional to 173,244, 239,076.72 and 93,756 is: 129,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,244 : 239,076.72 = 93,756 : x
  2. Step 2: Convert to fraction form
    173,244/239,076.72 = 93,756/x
  3. Step 3: Cross multiply
    173,244x = 239,076.72 × 93,756
  4. Step 4: Simplify right side
    173,244x = 22,414,876,960.32
  5. Step 5: Solve for x
    x = 22,414,876,960.32/173,244
  6. Step 6: Final answer
    x = 129,383.28

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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.