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Finding the Fourth Proportional to 98,224.56, 135,550.80 and 53,512.56

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Solution

The fourth proportional to 98,224.56, 135,550.80 and 53,512.56 is: 73,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,224.56 : 135,550.80 = 53,512.56 : x
  2. Step 2: Convert to fraction form
    98,224.56/135,550.80 = 53,512.56/x
  3. Step 3: Cross multiply
    98,224.56x = 135,550.80 × 53,512.56
  4. Step 4: Simplify right side
    98,224.56x = 7,253,670,318.05
  5. Step 5: Solve for x
    x = 7,253,670,318.05/98,224.56
  6. Step 6: Final answer
    x = 73,847.83

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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.