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Finding the Fourth Proportional to 126,651.60, 190,015.44 and 37,908

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Solution

The fourth proportional to 126,651.60, 190,015.44 and 37,908 is: 56,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,651.60 : 190,015.44 = 37,908 : x
  2. Step 2: Convert to fraction form
    126,651.60/190,015.44 = 37,908/x
  3. Step 3: Cross multiply
    126,651.60x = 190,015.44 × 37,908
  4. Step 4: Simplify right side
    126,651.60x = 7,203,105,299.52
  5. Step 5: Solve for x
    x = 7,203,105,299.52/126,651.60
  6. Step 6: Final answer
    x = 56,873.39

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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.