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Finding the Fourth Proportional to 167,825.40, 251,738.10 and 159,660.60

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Solution

The fourth proportional to 167,825.40, 251,738.10 and 159,660.60 is: 239,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,825.40 : 251,738.10 = 159,660.60 : x
  2. Step 2: Convert to fraction form
    167,825.40/251,738.10 = 159,660.60/x
  3. Step 3: Cross multiply
    167,825.40x = 251,738.10 × 159,660.60
  4. Step 4: Simplify right side
    167,825.40x = 40,192,656,088.86
  5. Step 5: Solve for x
    x = 40,192,656,088.86/167,825.40
  6. Step 6: Final answer
    x = 239,490.90

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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.