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Finding the Fourth Proportional to 79,831, 119,766.84 and 23,673.16

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Solution

The fourth proportional to 79,831, 119,766.84 and 23,673.16 is: 35,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831 : 119,766.84 = 23,673.16 : x
  2. Step 2: Convert to fraction form
    79,831/119,766.84 = 23,673.16/x
  3. Step 3: Cross multiply
    79,831x = 119,766.84 × 23,673.16
  4. Step 4: Simplify right side
    79,831x = 2,835,259,566.01
  5. Step 5: Solve for x
    x = 2,835,259,566.01/79,831
  6. Step 6: Final answer
    x = 35,515.77

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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.