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Finding the Fourth Proportional to 95.63, 142.38 and 94.35

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Solution

The fourth proportional to 95.63, 142.38 and 94.35 is: 140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.63 : 142.38 = 94.35 : x
  2. Step 2: Convert to fraction form
    95.63/142.38 = 94.35/x
  3. Step 3: Cross multiply
    95.63x = 142.38 × 94.35
  4. Step 4: Simplify right side
    95.63x = 13,433.55
  5. Step 5: Solve for x
    x = 13,433.55/95.63
  6. Step 6: Final answer
    x = 140.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.