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Finding the Fourth Proportional to 166,858.25, 250,284.72 and 40,499.54

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Solution

The fourth proportional to 166,858.25, 250,284.72 and 40,499.54 is: 60,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,858.25 : 250,284.72 = 40,499.54 : x
  2. Step 2: Convert to fraction form
    166,858.25/250,284.72 = 40,499.54/x
  3. Step 3: Cross multiply
    166,858.25x = 250,284.72 × 40,499.54
  4. Step 4: Simplify right side
    166,858.25x = 10,136,416,029.03
  5. Step 5: Solve for x
    x = 10,136,416,029.03/166,858.25
  6. Step 6: Final answer
    x = 60,748.67

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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.