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Finding the Fourth Proportional to 87,576, 131,383.68 and 25,241.76

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Solution

The fourth proportional to 87,576, 131,383.68 and 25,241.76 is: 37,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576 : 131,383.68 = 25,241.76 : x
  2. Step 2: Convert to fraction form
    87,576/131,383.68 = 25,241.76/x
  3. Step 3: Cross multiply
    87,576x = 131,383.68 × 25,241.76
  4. Step 4: Simplify right side
    87,576x = 3,316,355,318.48
  5. Step 5: Solve for x
    x = 3,316,355,318.48/87,576
  6. Step 6: Final answer
    x = 37,868.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.