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Finding the Fourth Proportional to 98,183.34, 135,493.02 and 53,471.34

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Solution

The fourth proportional to 98,183.34, 135,493.02 and 53,471.34 is: 73,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,183.34 : 135,493.02 = 53,471.34 : x
  2. Step 2: Convert to fraction form
    98,183.34/135,493.02 = 53,471.34/x
  3. Step 3: Cross multiply
    98,183.34x = 135,493.02 × 53,471.34
  4. Step 4: Simplify right side
    98,183.34x = 7,244,993,340.05
  5. Step 5: Solve for x
    x = 7,244,993,340.05/98,183.34
  6. Step 6: Final answer
    x = 73,790.46

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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.