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Finding the Fourth Proportional to 95,135, 131,286.30 and 52,696.27

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Solution

The fourth proportional to 95,135, 131,286.30 and 52,696.27 is: 72,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,135 : 131,286.30 = 52,696.27 : x
  2. Step 2: Convert to fraction form
    95,135/131,286.30 = 52,696.27/x
  3. Step 3: Cross multiply
    95,135x = 131,286.30 × 52,696.27
  4. Step 4: Simplify right side
    95,135x = 6,918,297,655.67
  5. Step 5: Solve for x
    x = 6,918,297,655.67/95,135
  6. Step 6: Final answer
    x = 72,720.85

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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.