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Finding the Fourth Proportional to 168,412.70, 252,801.03 and 149,811.86

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Solution

The fourth proportional to 168,412.70, 252,801.03 and 149,811.86 is: 224,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,412.70 : 252,801.03 = 149,811.86 : x
  2. Step 2: Convert to fraction form
    168,412.70/252,801.03 = 149,811.86/x
  3. Step 3: Cross multiply
    168,412.70x = 252,801.03 × 149,811.86
  4. Step 4: Simplify right side
    168,412.70x = 37,872,591,250.21
  5. Step 5: Solve for x
    x = 37,872,591,250.21/168,412.70
  6. Step 6: Final answer
    x = 224,879.67

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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.