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Finding the Fourth Proportional to 96,930.21, 133,766.79 and 58,696.89

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Solution

The fourth proportional to 96,930.21, 133,766.79 and 58,696.89 is: 81,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,930.21 : 133,766.79 = 58,696.89 : x
  2. Step 2: Convert to fraction form
    96,930.21/133,766.79 = 58,696.89/x
  3. Step 3: Cross multiply
    96,930.21x = 133,766.79 × 58,696.89
  4. Step 4: Simplify right side
    96,930.21x = 7,851,694,558.28
  5. Step 5: Solve for x
    x = 7,851,694,558.28/96,930.21
  6. Step 6: Final answer
    x = 81,003.59

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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.