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Finding the Fourth Proportional to 301,157.33, 451,392.55 and 143,161.97

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Solution

The fourth proportional to 301,157.33, 451,392.55 and 143,161.97 is: 214,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,157.33 : 451,392.55 = 143,161.97 : x
  2. Step 2: Convert to fraction form
    301,157.33/451,392.55 = 143,161.97/x
  3. Step 3: Cross multiply
    301,157.33x = 451,392.55 × 143,161.97
  4. Step 4: Simplify right side
    301,157.33x = 64,622,244,086.46
  5. Step 5: Solve for x
    x = 64,622,244,086.46/301,157.33
  6. Step 6: Final answer
    x = 214,579.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.