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Finding the Fourth Proportional to 167,493.97, 251,186.95 and 55,147.43

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Solution

The fourth proportional to 167,493.97, 251,186.95 and 55,147.43 is: 82,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.97 : 251,186.95 = 55,147.43 : x
  2. Step 2: Convert to fraction form
    167,493.97/251,186.95 = 55,147.43/x
  3. Step 3: Cross multiply
    167,493.97x = 251,186.95 × 55,147.43
  4. Step 4: Simplify right side
    167,493.97x = 13,852,314,742.04
  5. Step 5: Solve for x
    x = 13,852,314,742.04/167,493.97
  6. Step 6: Final answer
    x = 82,703.36

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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.