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Finding the Fourth Proportional to 173,190.86, 259,868.86 and 119,964.86

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Solution

The fourth proportional to 173,190.86, 259,868.86 and 119,964.86 is: 180,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,190.86 : 259,868.86 = 119,964.86 : x
  2. Step 2: Convert to fraction form
    173,190.86/259,868.86 = 119,964.86/x
  3. Step 3: Cross multiply
    173,190.86x = 259,868.86 × 119,964.86
  4. Step 4: Simplify right side
    173,190.86x = 31,175,131,408.26
  5. Step 5: Solve for x
    x = 31,175,131,408.26/173,190.86
  6. Step 6: Final answer
    x = 180,004.48

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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.