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Finding the Fourth Proportional to 126,179.37, 189,287.89 and 37,422.41

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Solution

The fourth proportional to 126,179.37, 189,287.89 and 37,422.41 is: 56,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,179.37 : 189,287.89 = 37,422.41 : x
  2. Step 2: Convert to fraction form
    126,179.37/189,287.89 = 37,422.41/x
  3. Step 3: Cross multiply
    126,179.37x = 189,287.89 × 37,422.41
  4. Step 4: Simplify right side
    126,179.37x = 7,083,607,987.62
  5. Step 5: Solve for x
    x = 7,083,607,987.62/126,179.37
  6. Step 6: Final answer
    x = 56,139.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.