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Finding the Fourth Proportional to 167,923.20, 251,593.20 and 141,679.20

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Solution

The fourth proportional to 167,923.20, 251,593.20 and 141,679.20 is: 212,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,923.20 : 251,593.20 = 141,679.20 : x
  2. Step 2: Convert to fraction form
    167,923.20/251,593.20 = 141,679.20/x
  3. Step 3: Cross multiply
    167,923.20x = 251,593.20 × 141,679.20
  4. Step 4: Simplify right side
    167,923.20x = 35,645,523,301.44
  5. Step 5: Solve for x
    x = 35,645,523,301.44/167,923.20
  6. Step 6: Final answer
    x = 212,272.77

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1.5x scale

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.