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Finding the Fourth Proportional to 69,497.69, 95,871.51 and 43,961.03

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Solution

The fourth proportional to 69,497.69, 95,871.51 and 43,961.03 is: 60,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,497.69 : 95,871.51 = 43,961.03 : x
  2. Step 2: Convert to fraction form
    69,497.69/95,871.51 = 43,961.03/x
  3. Step 3: Cross multiply
    69,497.69x = 95,871.51 × 43,961.03
  4. Step 4: Simplify right side
    69,497.69x = 4,214,610,327.26
  5. Step 5: Solve for x
    x = 4,214,610,327.26/69,497.69
  6. Step 6: Final answer
    x = 60,643.89

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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.