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Finding the Fourth Proportional to 273,205.08, 409,807.62 and 73,525.90

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Solution

The fourth proportional to 273,205.08, 409,807.62 and 73,525.90 is: 110,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,205.08 : 409,807.62 = 73,525.90 : x
  2. Step 2: Convert to fraction form
    273,205.08/409,807.62 = 73,525.90/x
  3. Step 3: Cross multiply
    273,205.08x = 409,807.62 × 73,525.90
  4. Step 4: Simplify right side
    273,205.08x = 30,131,474,087.36
  5. Step 5: Solve for x
    x = 30,131,474,087.36/273,205.08
  6. Step 6: Final answer
    x = 110,288.85

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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.