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Finding the Fourth Proportional to 339,696.22, 509,546.15 and 103,039.13

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Solution

The fourth proportional to 339,696.22, 509,546.15 and 103,039.13 is: 154,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,696.22 : 509,546.15 = 103,039.13 : x
  2. Step 2: Convert to fraction form
    339,696.22/509,546.15 = 103,039.13/x
  3. Step 3: Cross multiply
    339,696.22x = 509,546.15 × 103,039.13
  4. Step 4: Simplify right side
    339,696.22x = 52,503,188,927.92
  5. Step 5: Solve for x
    x = 52,503,188,927.92/339,696.22
  6. Step 6: Final answer
    x = 154,559.24

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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.