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Finding the Fourth Proportional to 468,668, 703,121.88 and 136,244

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Solution

The fourth proportional to 468,668, 703,121.88 and 136,244 is: 204,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,668 : 703,121.88 = 136,244 : x
  2. Step 2: Convert to fraction form
    468,668/703,121.88 = 136,244/x
  3. Step 3: Cross multiply
    468,668x = 703,121.88 × 136,244
  4. Step 4: Simplify right side
    468,668x = 95,796,137,418.72
  5. Step 5: Solve for x
    x = 95,796,137,418.72/468,668
  6. Step 6: Final answer
    x = 204,400.85

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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.