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Finding the Fourth Proportional to 86,334.41, 129,519.23 and 36,414.41

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Solution

The fourth proportional to 86,334.41, 129,519.23 and 36,414.41 is: 54,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,334.41 : 129,519.23 = 36,414.41 : x
  2. Step 2: Convert to fraction form
    86,334.41/129,519.23 = 36,414.41/x
  3. Step 3: Cross multiply
    86,334.41x = 129,519.23 × 36,414.41
  4. Step 4: Simplify right side
    86,334.41x = 4,716,365,514.44
  5. Step 5: Solve for x
    x = 4,716,365,514.44/86,334.41
  6. Step 6: Final answer
    x = 54,629.04

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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.