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Finding the Fourth Proportional to 174,706, 262,059 and 43,378

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Solution

The fourth proportional to 174,706, 262,059 and 43,378 is: 65,067

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,706 : 262,059 = 43,378 : x
  2. Step 2: Convert to fraction form
    174,706/262,059 = 43,378/x
  3. Step 3: Cross multiply
    174,706x = 262,059 × 43,378
  4. Step 4: Simplify right side
    174,706x = 11,367,595,302
  5. Step 5: Solve for x
    x = 11,367,595,302/174,706
  6. Step 6: Final answer
    x = 65,067

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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.