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Finding the Fourth Proportional to 73,530, 110,295.36 and 18,126

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Solution

The fourth proportional to 73,530, 110,295.36 and 18,126 is: 27,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,530 : 110,295.36 = 18,126 : x
  2. Step 2: Convert to fraction form
    73,530/110,295.36 = 18,126/x
  3. Step 3: Cross multiply
    73,530x = 110,295.36 × 18,126
  4. Step 4: Simplify right side
    73,530x = 1,999,213,695.36
  5. Step 5: Solve for x
    x = 1,999,213,695.36/73,530
  6. Step 6: Final answer
    x = 27,189.09

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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.