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Finding the Fourth Proportional to 270,755.76, 406,134.45 and 93,260.46

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Solution

The fourth proportional to 270,755.76, 406,134.45 and 93,260.46 is: 139,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,755.76 : 406,134.45 = 93,260.46 : x
  2. Step 2: Convert to fraction form
    270,755.76/406,134.45 = 93,260.46/x
  3. Step 3: Cross multiply
    270,755.76x = 406,134.45 × 93,260.46
  4. Step 4: Simplify right side
    270,755.76x = 37,876,285,628.85
  5. Step 5: Solve for x
    x = 37,876,285,628.85/270,755.76
  6. Step 6: Final answer
    x = 139,890.97

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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.