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Finding the Fourth Proportional to 173,255.19, 259,986.47 and 74,759.19

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Solution

The fourth proportional to 173,255.19, 259,986.47 and 74,759.19 is: 112,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,255.19 : 259,986.47 = 74,759.19 : x
  2. Step 2: Convert to fraction form
    173,255.19/259,986.47 = 74,759.19/x
  3. Step 3: Cross multiply
    173,255.19x = 259,986.47 × 74,759.19
  4. Step 4: Simplify right side
    173,255.19x = 19,436,377,534.36
  5. Step 5: Solve for x
    x = 19,436,377,534.36/173,255.19
  6. Step 6: Final answer
    x = 112,183.52

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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.