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Finding the Fourth Proportional to 69,790.88, 96,270.41 and 43,908.27

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Solution

The fourth proportional to 69,790.88, 96,270.41 and 43,908.27 is: 60,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.88 : 96,270.41 = 43,908.27 : x
  2. Step 2: Convert to fraction form
    69,790.88/96,270.41 = 43,908.27/x
  3. Step 3: Cross multiply
    69,790.88x = 96,270.41 × 43,908.27
  4. Step 4: Simplify right side
    69,790.88x = 4,227,066,935.75
  5. Step 5: Solve for x
    x = 4,227,066,935.75/69,790.88
  6. Step 6: Final answer
    x = 60,567.62

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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.