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Finding the Fourth Proportional to 150,289.68, 225,469.08 and 45,110.64

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Solution

The fourth proportional to 150,289.68, 225,469.08 and 45,110.64 is: 67,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,289.68 : 225,469.08 = 45,110.64 : x
  2. Step 2: Convert to fraction form
    150,289.68/225,469.08 = 45,110.64/x
  3. Step 3: Cross multiply
    150,289.68x = 225,469.08 × 45,110.64
  4. Step 4: Simplify right side
    150,289.68x = 10,171,054,499.01
  5. Step 5: Solve for x
    x = 10,171,054,499.01/150,289.68
  6. Step 6: Final answer
    x = 67,676.33

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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.