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Finding the Fourth Proportional to 270,400.74, 405,610.56 and 92,906.46

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Solution

The fourth proportional to 270,400.74, 405,610.56 and 92,906.46 is: 139,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,400.74 : 405,610.56 = 92,906.46 : x
  2. Step 2: Convert to fraction form
    270,400.74/405,610.56 = 92,906.46/x
  3. Step 3: Cross multiply
    270,400.74x = 405,610.56 × 92,906.46
  4. Step 4: Simplify right side
    270,400.74x = 37,683,841,268.22
  5. Step 5: Solve for x
    x = 37,683,841,268.22/270,400.74
  6. Step 6: Final answer
    x = 139,362.94

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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.