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Finding the Fourth Proportional to 270,733.38, 405,782.95 and 93,083.37

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Solution

The fourth proportional to 270,733.38, 405,782.95 and 93,083.37 is: 139,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,733.38 : 405,782.95 = 93,083.37 : x
  2. Step 2: Convert to fraction form
    270,733.38/405,782.95 = 93,083.37/x
  3. Step 3: Cross multiply
    270,733.38x = 405,782.95 × 93,083.37
  4. Step 4: Simplify right side
    270,733.38x = 37,771,644,474.54
  5. Step 5: Solve for x
    x = 37,771,644,474.54/270,733.38
  6. Step 6: Final answer
    x = 139,516.02

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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.