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Finding the Fourth Proportional to 96,396, 144,584.28 and 43,791.36

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Solution

The fourth proportional to 96,396, 144,584.28 and 43,791.36 is: 65,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,396 : 144,584.28 = 43,791.36 : x
  2. Step 2: Convert to fraction form
    96,396/144,584.28 = 43,791.36/x
  3. Step 3: Cross multiply
    96,396x = 144,584.28 × 43,791.36
  4. Step 4: Simplify right side
    96,396x = 6,331,542,255.82
  5. Step 5: Solve for x
    x = 6,331,542,255.82/96,396
  6. Step 6: Final answer
    x = 65,682.62

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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.