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Finding the Fourth Proportional to 172,669.58, 259,004.36 and 83,846.96

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Solution

The fourth proportional to 172,669.58, 259,004.36 and 83,846.96 is: 125,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,669.58 : 259,004.36 = 83,846.96 : x
  2. Step 2: Convert to fraction form
    172,669.58/259,004.36 = 83,846.96/x
  3. Step 3: Cross multiply
    172,669.58x = 259,004.36 × 83,846.96
  4. Step 4: Simplify right side
    172,669.58x = 21,716,728,212.75
  5. Step 5: Solve for x
    x = 21,716,728,212.75/172,669.58
  6. Step 6: Final answer
    x = 125,770.44

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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.