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Finding the Fourth Proportional to 70,183.52, 96,851.73 and 39,556.41

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Solution

The fourth proportional to 70,183.52, 96,851.73 and 39,556.41 is: 54,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.52 : 96,851.73 = 39,556.41 : x
  2. Step 2: Convert to fraction form
    70,183.52/96,851.73 = 39,556.41/x
  3. Step 3: Cross multiply
    70,183.52x = 96,851.73 × 39,556.41
  4. Step 4: Simplify right side
    70,183.52x = 3,831,106,741.09
  5. Step 5: Solve for x
    x = 3,831,106,741.09/70,183.52
  6. Step 6: Final answer
    x = 54,586.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.