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Finding the Fourth Proportional to 93,656, 129,245.82 and 60,122

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Solution

The fourth proportional to 93,656, 129,245.82 and 60,122 is: 82,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,656 : 129,245.82 = 60,122 : x
  2. Step 2: Convert to fraction form
    93,656/129,245.82 = 60,122/x
  3. Step 3: Cross multiply
    93,656x = 129,245.82 × 60,122
  4. Step 4: Simplify right side
    93,656x = 7,770,517,190.04
  5. Step 5: Solve for x
    x = 7,770,517,190.04/93,656
  6. Step 6: Final answer
    x = 82,968.71

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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.