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Finding the Fourth Proportional to 83,696.94, 126,040.37 and 60,485.58

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Solution

The fourth proportional to 83,696.94, 126,040.37 and 60,485.58 is: 91,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696.94 : 126,040.37 = 60,485.58 : x
  2. Step 2: Convert to fraction form
    83,696.94/126,040.37 = 60,485.58/x
  3. Step 3: Cross multiply
    83,696.94x = 126,040.37 × 60,485.58
  4. Step 4: Simplify right side
    83,696.94x = 7,623,624,580.44
  5. Step 5: Solve for x
    x = 7,623,624,580.44/83,696.94
  6. Step 6: Final answer
    x = 91,086.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.