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Finding the Fourth Proportional to 270,960.84, 406,291.95 and 93,321.36

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Solution

The fourth proportional to 270,960.84, 406,291.95 and 93,321.36 is: 139,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,960.84 : 406,291.95 = 93,321.36 : x
  2. Step 2: Convert to fraction form
    270,960.84/406,291.95 = 93,321.36/x
  3. Step 3: Cross multiply
    270,960.84x = 406,291.95 × 93,321.36
  4. Step 4: Simplify right side
    270,960.84x = 37,915,717,331.05
  5. Step 5: Solve for x
    x = 37,915,717,331.05/270,960.84
  6. Step 6: Final answer
    x = 139,930.62

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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.