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Finding the Fourth Proportional to 86,163.58, 129,245.55 and 23,834.26

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Solution

The fourth proportional to 86,163.58, 129,245.55 and 23,834.26 is: 35,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.58 : 129,245.55 = 23,834.26 : x
  2. Step 2: Convert to fraction form
    86,163.58/129,245.55 = 23,834.26/x
  3. Step 3: Cross multiply
    86,163.58x = 129,245.55 × 23,834.26
  4. Step 4: Simplify right side
    86,163.58x = 3,080,472,042.54
  5. Step 5: Solve for x
    x = 3,080,472,042.54/86,163.58
  6. Step 6: Final answer
    x = 35,751.44

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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.