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Finding the Fourth Proportional to 173,157.92, 259,540.20 and 73,255.76

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Solution

The fourth proportional to 173,157.92, 259,540.20 and 73,255.76 is: 109,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,157.92 : 259,540.20 = 73,255.76 : x
  2. Step 2: Convert to fraction form
    173,157.92/259,540.20 = 73,255.76/x
  3. Step 3: Cross multiply
    173,157.92x = 259,540.20 × 73,255.76
  4. Step 4: Simplify right side
    173,157.92x = 19,012,814,601.55
  5. Step 5: Solve for x
    x = 19,012,814,601.55/173,157.92
  6. Step 6: Final answer
    x = 109,800.43

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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.