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Finding the Fourth Proportional to 245,068.32, 367,651.68 and 111,912.82

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Solution

The fourth proportional to 245,068.32, 367,651.68 and 111,912.82 is: 167,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,068.32 : 367,651.68 = 111,912.82 : x
  2. Step 2: Convert to fraction form
    245,068.32/367,651.68 = 111,912.82/x
  3. Step 3: Cross multiply
    245,068.32x = 367,651.68 × 111,912.82
  4. Step 4: Simplify right side
    245,068.32x = 41,144,936,286.54
  5. Step 5: Solve for x
    x = 41,144,936,286.54/245,068.32
  6. Step 6: Final answer
    x = 167,891.70

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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.