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Finding the Fourth Proportional to 168,299.32, 252,630.96 and 149,698.48

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Solution

The fourth proportional to 168,299.32, 252,630.96 and 149,698.48 is: 224,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,299.32 : 252,630.96 = 149,698.48 : x
  2. Step 2: Convert to fraction form
    168,299.32/252,630.96 = 149,698.48/x
  3. Step 3: Cross multiply
    168,299.32x = 252,630.96 × 149,698.48
  4. Step 4: Simplify right side
    168,299.32x = 37,818,470,712.94
  5. Step 5: Solve for x
    x = 37,818,470,712.94/168,299.32
  6. Step 6: Final answer
    x = 224,709.59

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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.