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Finding the Fourth Proportional to 167,679.12, 251,525.52 and 53,838.48

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Solution

The fourth proportional to 167,679.12, 251,525.52 and 53,838.48 is: 80,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,679.12 : 251,525.52 = 53,838.48 : x
  2. Step 2: Convert to fraction form
    167,679.12/251,525.52 = 53,838.48/x
  3. Step 3: Cross multiply
    167,679.12x = 251,525.52 × 53,838.48
  4. Step 4: Simplify right side
    167,679.12x = 13,541,751,678.01
  5. Step 5: Solve for x
    x = 13,541,751,678.01/167,679.12
  6. Step 6: Final answer
    x = 80,759.92

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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.