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Finding the Fourth Proportional to 173,879.75, 260,819.64 and 49,220.75

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Solution

The fourth proportional to 173,879.75, 260,819.64 and 49,220.75 is: 73,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.75 : 260,819.64 = 49,220.75 : x
  2. Step 2: Convert to fraction form
    173,879.75/260,819.64 = 49,220.75/x
  3. Step 3: Cross multiply
    173,879.75x = 260,819.64 × 49,220.75
  4. Step 4: Simplify right side
    173,879.75x = 12,837,738,295.53
  5. Step 5: Solve for x
    x = 12,837,738,295.53/173,879.75
  6. Step 6: Final answer
    x = 73,831.13

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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.