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Finding the Fourth Proportional to 142,408.45, 213,624.83 and 37,227.25

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Solution

The fourth proportional to 142,408.45, 213,624.83 and 37,227.25 is: 55,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,408.45 : 213,624.83 = 37,227.25 : x
  2. Step 2: Convert to fraction form
    142,408.45/213,624.83 = 37,227.25/x
  3. Step 3: Cross multiply
    142,408.45x = 213,624.83 × 37,227.25
  4. Step 4: Simplify right side
    142,408.45x = 7,952,664,952.62
  5. Step 5: Solve for x
    x = 7,952,664,952.62/142,408.45
  6. Step 6: Final answer
    x = 55,844.05

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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.