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Finding the Fourth Proportional to 166,910.20, 250,025.10 and 103,535.80

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Solution

The fourth proportional to 166,910.20, 250,025.10 and 103,535.80 is: 155,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,910.20 : 250,025.10 = 103,535.80 : x
  2. Step 2: Convert to fraction form
    166,910.20/250,025.10 = 103,535.80/x
  3. Step 3: Cross multiply
    166,910.20x = 250,025.10 × 103,535.80
  4. Step 4: Simplify right side
    166,910.20x = 25,886,548,748.58
  5. Step 5: Solve for x
    x = 25,886,548,748.58/166,910.20
  6. Step 6: Final answer
    x = 155,092.67

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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.