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Finding the Fourth Proportional to 173,618.37, 260,468.87 and 55,289.52

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Solution

The fourth proportional to 173,618.37, 260,468.87 and 55,289.52 is: 82,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,618.37 : 260,468.87 = 55,289.52 : x
  2. Step 2: Convert to fraction form
    173,618.37/260,468.87 = 55,289.52/x
  3. Step 3: Cross multiply
    173,618.37x = 260,468.87 × 55,289.52
  4. Step 4: Simplify right side
    173,618.37x = 14,401,198,520.79
  5. Step 5: Solve for x
    x = 14,401,198,520.79/173,618.37
  6. Step 6: Final answer
    x = 82,947.44

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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.