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Finding the Fourth Proportional to 95.85, 132.57 and 94.23

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Solution

The fourth proportional to 95.85, 132.57 and 94.23 is: 130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.85 : 132.57 = 94.23 : x
  2. Step 2: Convert to fraction form
    95.85/132.57 = 94.23/x
  3. Step 3: Cross multiply
    95.85x = 132.57 × 94.23
  4. Step 4: Simplify right side
    95.85x = 12,492.07
  5. Step 5: Solve for x
    x = 12,492.07/95.85
  6. Step 6: Final answer
    x = 130.33

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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.