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Finding the Fourth Proportional to 69,896.76, 96,465.24 and 43,033.92

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Solution

The fourth proportional to 69,896.76, 96,465.24 and 43,033.92 is: 59,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896.76 : 96,465.24 = 43,033.92 : x
  2. Step 2: Convert to fraction form
    69,896.76/96,465.24 = 43,033.92/x
  3. Step 3: Cross multiply
    69,896.76x = 96,465.24 × 43,033.92
  4. Step 4: Simplify right side
    69,896.76x = 4,151,277,420.94
  5. Step 5: Solve for x
    x = 4,151,277,420.94/69,896.76
  6. Step 6: Final answer
    x = 59,391.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.