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Finding the Fourth Proportional to 80,173.41, 120,301.62 and 58,168.41

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Solution

The fourth proportional to 80,173.41, 120,301.62 and 58,168.41 is: 87,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.41 : 120,301.62 = 58,168.41 : x
  2. Step 2: Convert to fraction form
    80,173.41/120,301.62 = 58,168.41/x
  3. Step 3: Cross multiply
    80,173.41x = 120,301.62 × 58,168.41
  4. Step 4: Simplify right side
    80,173.41x = 6,997,753,664.98
  5. Step 5: Solve for x
    x = 6,997,753,664.98/80,173.41
  6. Step 6: Final answer
    x = 87,282.72

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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.