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Finding the Fourth Proportional to 173,104.40, 259,462.20 and 73,247.60

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Solution

The fourth proportional to 173,104.40, 259,462.20 and 73,247.60 is: 109,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,104.40 : 259,462.20 = 73,247.60 : x
  2. Step 2: Convert to fraction form
    173,104.40/259,462.20 = 73,247.60/x
  3. Step 3: Cross multiply
    173,104.40x = 259,462.20 × 73,247.60
  4. Step 4: Simplify right side
    173,104.40x = 19,004,983,440.72
  5. Step 5: Solve for x
    x = 19,004,983,440.72/173,104.40
  6. Step 6: Final answer
    x = 109,789.14

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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.