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Finding the Fourth Proportional to 172,992, 259,604.46 and 60,673.26

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Solution

The fourth proportional to 172,992, 259,604.46 and 60,673.26 is: 91,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,992 : 259,604.46 = 60,673.26 : x
  2. Step 2: Convert to fraction form
    172,992/259,604.46 = 60,673.26/x
  3. Step 3: Cross multiply
    172,992x = 259,604.46 × 60,673.26
  4. Step 4: Simplify right side
    172,992x = 15,751,048,898.74
  5. Step 5: Solve for x
    x = 15,751,048,898.74/172,992
  6. Step 6: Final answer
    x = 91,050.74

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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.