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Finding the Fourth Proportional to 95,791.84, 132,270.30 and 61,817.20

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Solution

The fourth proportional to 95,791.84, 132,270.30 and 61,817.20 is: 85,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,791.84 : 132,270.30 = 61,817.20 : x
  2. Step 2: Convert to fraction form
    95,791.84/132,270.30 = 61,817.20/x
  3. Step 3: Cross multiply
    95,791.84x = 132,270.30 × 61,817.20
  4. Step 4: Simplify right side
    95,791.84x = 8,176,579,589.16
  5. Step 5: Solve for x
    x = 8,176,579,589.16/95,791.84
  6. Step 6: Final answer
    x = 85,357.79

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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.