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Finding the Fourth Proportional to 167,754.56, 251,633.37 and 47,811.28

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Solution

The fourth proportional to 167,754.56, 251,633.37 and 47,811.28 is: 71,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,754.56 : 251,633.37 = 47,811.28 : x
  2. Step 2: Convert to fraction form
    167,754.56/251,633.37 = 47,811.28/x
  3. Step 3: Cross multiply
    167,754.56x = 251,633.37 × 47,811.28
  4. Step 4: Simplify right side
    167,754.56x = 12,030,912,403.62
  5. Step 5: Solve for x
    x = 12,030,912,403.62/167,754.56
  6. Step 6: Final answer
    x = 71,717.35

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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.