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Finding the Fourth Proportional to 167,456.70, 251,185.05 and 164,540.70

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Solution

The fourth proportional to 167,456.70, 251,185.05 and 164,540.70 is: 246,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.70 : 251,185.05 = 164,540.70 : x
  2. Step 2: Convert to fraction form
    167,456.70/251,185.05 = 164,540.70/x
  3. Step 3: Cross multiply
    167,456.70x = 251,185.05 × 164,540.70
  4. Step 4: Simplify right side
    167,456.70x = 41,330,163,956.54
  5. Step 5: Solve for x
    x = 41,330,163,956.54/167,456.70
  6. Step 6: Final answer
    x = 246,811.05

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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.