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Finding the Fourth Proportional to 95.60, 142.22 and 94.16

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Solution

The fourth proportional to 95.60, 142.22 and 94.16 is: 140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.60 : 142.22 = 94.16 : x
  2. Step 2: Convert to fraction form
    95.60/142.22 = 94.16/x
  3. Step 3: Cross multiply
    95.60x = 142.22 × 94.16
  4. Step 4: Simplify right side
    95.60x = 13,391.44
  5. Step 5: Solve for x
    x = 13,391.44/95.60
  6. Step 6: Final answer
    x = 140.08

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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.