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Finding the Fourth Proportional to 173,203.92, 259,813.20 and 54,872.64

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Solution

The fourth proportional to 173,203.92, 259,813.20 and 54,872.64 is: 82,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,203.92 : 259,813.20 = 54,872.64 : x
  2. Step 2: Convert to fraction form
    173,203.92/259,813.20 = 54,872.64/x
  3. Step 3: Cross multiply
    173,203.92x = 259,813.20 × 54,872.64
  4. Step 4: Simplify right side
    173,203.92x = 14,256,636,190.85
  5. Step 5: Solve for x
    x = 14,256,636,190.85/173,203.92
  6. Step 6: Final answer
    x = 82,311.28

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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.