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Finding the Fourth Proportional to 181,820.56, 250,912.32 and 106,383.64

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Solution

The fourth proportional to 181,820.56, 250,912.32 and 106,383.64 is: 146,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,820.56 : 250,912.32 = 106,383.64 : x
  2. Step 2: Convert to fraction form
    181,820.56/250,912.32 = 106,383.64/x
  3. Step 3: Cross multiply
    181,820.56x = 250,912.32 × 106,383.64
  4. Step 4: Simplify right side
    181,820.56x = 26,692,965,922.44
  5. Step 5: Solve for x
    x = 26,692,965,922.44/181,820.56
  6. Step 6: Final answer
    x = 146,809.39

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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.