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Finding the Fourth Proportional to 127,173, 190,793.52 and 44,067

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Solution

The fourth proportional to 127,173, 190,793.52 and 44,067 is: 66,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,173 : 190,793.52 = 44,067 : x
  2. Step 2: Convert to fraction form
    127,173/190,793.52 = 44,067/x
  3. Step 3: Cross multiply
    127,173x = 190,793.52 × 44,067
  4. Step 4: Simplify right side
    127,173x = 8,407,698,045.84
  5. Step 5: Solve for x
    x = 8,407,698,045.84/127,173
  6. Step 6: Final answer
    x = 66,112.29

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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.