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Finding the Fourth Proportional to 114,571.85, 171,816.76 and 39,671.89

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Solution

The fourth proportional to 114,571.85, 171,816.76 and 39,671.89 is: 59,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,571.85 : 171,816.76 = 39,671.89 : x
  2. Step 2: Convert to fraction form
    114,571.85/171,816.76 = 39,671.89/x
  3. Step 3: Cross multiply
    114,571.85x = 171,816.76 × 39,671.89
  4. Step 4: Simplify right side
    114,571.85x = 6,816,295,074.15
  5. Step 5: Solve for x
    x = 6,816,295,074.15/114,571.85
  6. Step 6: Final answer
    x = 59,493.63

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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.