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Finding the Fourth Proportional to 167,908.20, 251,570.70 and 141,664.20

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Solution

The fourth proportional to 167,908.20, 251,570.70 and 141,664.20 is: 212,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,908.20 : 251,570.70 = 141,664.20 : x
  2. Step 2: Convert to fraction form
    167,908.20/251,570.70 = 141,664.20/x
  3. Step 3: Cross multiply
    167,908.20x = 251,570.70 × 141,664.20
  4. Step 4: Simplify right side
    167,908.20x = 35,638,561,958.94
  5. Step 5: Solve for x
    x = 35,638,561,958.94/167,908.20
  6. Step 6: Final answer
    x = 212,250.28

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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.