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Finding the Fourth Proportional to 172,967.49, 259,429.74 and 46,617.62

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Solution

The fourth proportional to 172,967.49, 259,429.74 and 46,617.62 is: 69,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,967.49 : 259,429.74 = 46,617.62 : x
  2. Step 2: Convert to fraction form
    172,967.49/259,429.74 = 46,617.62/x
  3. Step 3: Cross multiply
    172,967.49x = 259,429.74 × 46,617.62
  4. Step 4: Simplify right side
    172,967.49x = 12,093,995,738.87
  5. Step 5: Solve for x
    x = 12,093,995,738.87/172,967.49
  6. Step 6: Final answer
    x = 69,920.63

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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.