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Finding the Fourth Proportional to 95,863.72, 143,573.82 and 92,542.12

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Solution

The fourth proportional to 95,863.72, 143,573.82 and 92,542.12 is: 138,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,863.72 : 143,573.82 = 92,542.12 : x
  2. Step 2: Convert to fraction form
    95,863.72/143,573.82 = 92,542.12/x
  3. Step 3: Cross multiply
    95,863.72x = 143,573.82 × 92,542.12
  4. Step 4: Simplify right side
    95,863.72x = 13,286,625,679.30
  5. Step 5: Solve for x
    x = 13,286,625,679.30/95,863.72
  6. Step 6: Final answer
    x = 138,599.10

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Why These Related Problems?

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