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Finding the Fourth Proportional to 173,317.56, 260,072.46 and 84,571.80

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Solution

The fourth proportional to 173,317.56, 260,072.46 and 84,571.80 is: 126,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,317.56 : 260,072.46 = 84,571.80 : x
  2. Step 2: Convert to fraction form
    173,317.56/260,072.46 = 84,571.80/x
  3. Step 3: Cross multiply
    173,317.56x = 260,072.46 × 84,571.80
  4. Step 4: Simplify right side
    173,317.56x = 21,994,796,072.63
  5. Step 5: Solve for x
    x = 21,994,796,072.63/173,317.56
  6. Step 6: Final answer
    x = 126,904.60

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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.