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Finding the Fourth Proportional to 167,745.80, 251,181.30 and 108,259.40

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Solution

The fourth proportional to 167,745.80, 251,181.30 and 108,259.40 is: 162,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,745.80 : 251,181.30 = 108,259.40 : x
  2. Step 2: Convert to fraction form
    167,745.80/251,181.30 = 108,259.40/x
  3. Step 3: Cross multiply
    167,745.80x = 251,181.30 × 108,259.40
  4. Step 4: Simplify right side
    167,745.80x = 27,192,736,829.22
  5. Step 5: Solve for x
    x = 27,192,736,829.22/167,745.80
  6. Step 6: Final answer
    x = 162,106.81

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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.