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Finding the Fourth Proportional to 166,861.42, 250,323.72 and 67,029.42

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Solution

The fourth proportional to 166,861.42, 250,323.72 and 67,029.42 is: 100,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,861.42 : 250,323.72 = 67,029.42 : x
  2. Step 2: Convert to fraction form
    166,861.42/250,323.72 = 67,029.42/x
  3. Step 3: Cross multiply
    166,861.42x = 250,323.72 × 67,029.42
  4. Step 4: Simplify right side
    166,861.42x = 16,779,054,451.20
  5. Step 5: Solve for x
    x = 16,779,054,451.20/166,861.42
  6. Step 6: Final answer
    x = 100,556.83

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1.5x scale

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.