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Finding the Fourth Proportional to 84,096.85, 115,959.37 and 68,735.73

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Solution

The fourth proportional to 84,096.85, 115,959.37 and 68,735.73 is: 94,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,096.85 : 115,959.37 = 68,735.73 : x
  2. Step 2: Convert to fraction form
    84,096.85/115,959.37 = 68,735.73/x
  3. Step 3: Cross multiply
    84,096.85x = 115,959.37 × 68,735.73
  4. Step 4: Simplify right side
    84,096.85x = 7,970,552,237.19
  5. Step 5: Solve for x
    x = 7,970,552,237.19/84,096.85
  6. Step 6: Final answer
    x = 94,778.26

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1.5x scale

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.