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Finding the Fourth Proportional to 273,405.11, 410,106.56 and 73,745.72

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Solution

The fourth proportional to 273,405.11, 410,106.56 and 73,745.72 is: 110,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,405.11 : 410,106.56 = 73,745.72 : x
  2. Step 2: Convert to fraction form
    273,405.11/410,106.56 = 73,745.72/x
  3. Step 3: Cross multiply
    273,405.11x = 410,106.56 × 73,745.72
  4. Step 4: Simplify right side
    273,405.11x = 30,243,601,124.66
  5. Step 5: Solve for x
    x = 30,243,601,124.66/273,405.11
  6. Step 6: Final answer
    x = 110,618.27

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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.