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Finding the Fourth Proportional to 270,891.80, 406,364.42 and 93,375.44

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Solution

The fourth proportional to 270,891.80, 406,364.42 and 93,375.44 is: 140,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,891.80 : 406,364.42 = 93,375.44 : x
  2. Step 2: Convert to fraction form
    270,891.80/406,364.42 = 93,375.44/x
  3. Step 3: Cross multiply
    270,891.80x = 406,364.42 × 93,375.44
  4. Step 4: Simplify right side
    270,891.80x = 37,944,454,719.46
  5. Step 5: Solve for x
    x = 37,944,454,719.46/270,891.80
  6. Step 6: Final answer
    x = 140,072.37

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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.