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Finding the Fourth Proportional to 273,361.65, 409,995.73 and 73,635.32

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Solution

The fourth proportional to 273,361.65, 409,995.73 and 73,635.32 is: 110,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,361.65 : 409,995.73 = 73,635.32 : x
  2. Step 2: Convert to fraction form
    273,361.65/409,995.73 = 73,635.32/x
  3. Step 3: Cross multiply
    273,361.65x = 409,995.73 × 73,635.32
  4. Step 4: Simplify right side
    273,361.65x = 30,190,166,777.18
  5. Step 5: Solve for x
    x = 30,190,166,777.18/273,361.65
  6. Step 6: Final answer
    x = 110,440.39

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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.