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Finding the Fourth Proportional to 166,978.06, 250,467.07 and 73,483.81

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Solution

The fourth proportional to 166,978.06, 250,467.07 and 73,483.81 is: 110,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,978.06 : 250,467.07 = 73,483.81 : x
  2. Step 2: Convert to fraction form
    166,978.06/250,467.07 = 73,483.81/x
  3. Step 3: Cross multiply
    166,978.06x = 250,467.07 × 73,483.81
  4. Step 4: Simplify right side
    166,978.06x = 18,405,274,583.14
  5. Step 5: Solve for x
    x = 18,405,274,583.14/166,978.06
  6. Step 6: Final answer
    x = 110,225.71

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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.