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Finding the Fourth Proportional to 448,771.58, 672,982.41 and 168,135.74

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Solution

The fourth proportional to 448,771.58, 672,982.41 and 168,135.74 is: 252,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,771.58 : 672,982.41 = 168,135.74 : x
  2. Step 2: Convert to fraction form
    448,771.58/672,982.41 = 168,135.74/x
  3. Step 3: Cross multiply
    448,771.58x = 672,982.41 × 168,135.74
  4. Step 4: Simplify right side
    448,771.58x = 113,152,395,512.33
  5. Step 5: Solve for x
    x = 113,152,395,512.33/448,771.58
  6. Step 6: Final answer
    x = 252,138.06

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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.