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Finding the Fourth Proportional to 300,532.68, 451,027.53 and 111,172.14

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Solution

The fourth proportional to 300,532.68, 451,027.53 and 111,172.14 is: 166,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,532.68 : 451,027.53 = 111,172.14 : x
  2. Step 2: Convert to fraction form
    300,532.68/451,027.53 = 111,172.14/x
  3. Step 3: Cross multiply
    300,532.68x = 451,027.53 × 111,172.14
  4. Step 4: Simplify right side
    300,532.68x = 50,141,695,709.01
  5. Step 5: Solve for x
    x = 50,141,695,709.01/300,532.68
  6. Step 6: Final answer
    x = 166,842.74

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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.