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Finding the Fourth Proportional to 131,963.56, 197,906.64 and 37,187.44

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Solution

The fourth proportional to 131,963.56, 197,906.64 and 37,187.44 is: 55,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,963.56 : 197,906.64 = 37,187.44 : x
  2. Step 2: Convert to fraction form
    131,963.56/197,906.64 = 37,187.44/x
  3. Step 3: Cross multiply
    131,963.56x = 197,906.64 × 37,187.44
  4. Step 4: Simplify right side
    131,963.56x = 7,359,641,300.60
  5. Step 5: Solve for x
    x = 7,359,641,300.60/131,963.56
  6. Step 6: Final answer
    x = 55,770.25

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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.