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Finding the Fourth Proportional to 131,374.44, 197,063.28 and 37,881

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Solution

The fourth proportional to 131,374.44, 197,063.28 and 37,881 is: 56,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,374.44 : 197,063.28 = 37,881 : x
  2. Step 2: Convert to fraction form
    131,374.44/197,063.28 = 37,881/x
  3. Step 3: Cross multiply
    131,374.44x = 197,063.28 × 37,881
  4. Step 4: Simplify right side
    131,374.44x = 7,464,954,109.68
  5. Step 5: Solve for x
    x = 7,464,954,109.68/131,374.44
  6. Step 6: Final answer
    x = 56,821.97

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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.