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Finding the Fourth Proportional to 118,514.25, 177,771.39 and 35,408.25

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Solution

The fourth proportional to 118,514.25, 177,771.39 and 35,408.25 is: 53,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.25 : 177,771.39 = 35,408.25 : x
  2. Step 2: Convert to fraction form
    118,514.25/177,771.39 = 35,408.25/x
  3. Step 3: Cross multiply
    118,514.25x = 177,771.39 × 35,408.25
  4. Step 4: Simplify right side
    118,514.25x = 6,294,573,819.97
  5. Step 5: Solve for x
    x = 6,294,573,819.97/118,514.25
  6. Step 6: Final answer
    x = 53,112.38

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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.