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Finding the Fourth Proportional to 118,508, 177,768.48 and 35,408.48

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Solution

The fourth proportional to 118,508, 177,768.48 and 35,408.48 is: 53,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,508 : 177,768.48 = 35,408.48 : x
  2. Step 2: Convert to fraction form
    118,508/177,768.48 = 35,408.48/x
  3. Step 3: Cross multiply
    118,508x = 177,768.48 × 35,408.48
  4. Step 4: Simplify right side
    118,508x = 6,294,511,668.71
  5. Step 5: Solve for x
    x = 6,294,511,668.71/118,508
  6. Step 6: Final answer
    x = 53,114.66

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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.