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Finding the Fourth Proportional to 114,540.68, 171,741.96 and 51,349.37

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Solution

The fourth proportional to 114,540.68, 171,741.96 and 51,349.37 is: 76,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.68 : 171,741.96 = 51,349.37 : x
  2. Step 2: Convert to fraction form
    114,540.68/171,741.96 = 51,349.37/x
  3. Step 3: Cross multiply
    114,540.68x = 171,741.96 × 51,349.37
  4. Step 4: Simplify right side
    114,540.68x = 8,818,840,589.86
  5. Step 5: Solve for x
    x = 8,818,840,589.86/114,540.68
  6. Step 6: Final answer
    x = 76,993.09

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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.