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Finding the Fourth Proportional to 122,273.28, 168,736.48 and 68,558.24

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Solution

The fourth proportional to 122,273.28, 168,736.48 and 68,558.24 is: 94,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,273.28 : 168,736.48 = 68,558.24 : x
  2. Step 2: Convert to fraction form
    122,273.28/168,736.48 = 68,558.24/x
  3. Step 3: Cross multiply
    122,273.28x = 168,736.48 × 68,558.24
  4. Step 4: Simplify right side
    122,273.28x = 11,568,276,092.60
  5. Step 5: Solve for x
    x = 11,568,276,092.60/122,273.28
  6. Step 6: Final answer
    x = 94,610.01

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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.