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Finding the Fourth Proportional to 360,615.78, 541,093.77 and 160,918.38

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Solution

The fourth proportional to 360,615.78, 541,093.77 and 160,918.38 is: 241,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,615.78 : 541,093.77 = 160,918.38 : x
  2. Step 2: Convert to fraction form
    360,615.78/541,093.77 = 160,918.38/x
  3. Step 3: Cross multiply
    360,615.78x = 541,093.77 × 160,918.38
  4. Step 4: Simplify right side
    360,615.78x = 87,071,932,896.49
  5. Step 5: Solve for x
    x = 87,071,932,896.49/360,615.78
  6. Step 6: Final answer
    x = 241,453.47

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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.