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Finding the Fourth Proportional to 173,161.74, 238,961.97 and 96,676.32

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Solution

The fourth proportional to 173,161.74, 238,961.97 and 96,676.32 is: 133,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,161.74 : 238,961.97 = 96,676.32 : x
  2. Step 2: Convert to fraction form
    173,161.74/238,961.97 = 96,676.32/x
  3. Step 3: Cross multiply
    173,161.74x = 238,961.97 × 96,676.32
  4. Step 4: Simplify right side
    173,161.74x = 23,101,963,879.55
  5. Step 5: Solve for x
    x = 23,101,963,879.55/173,161.74
  6. Step 6: Final answer
    x = 133,412.63

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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.