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Finding the Fourth Proportional to 95.64, 144.29 and 95.38

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Solution

The fourth proportional to 95.64, 144.29 and 95.38 is: 143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.64 : 144.29 = 95.38 : x
  2. Step 2: Convert to fraction form
    95.64/144.29 = 95.38/x
  3. Step 3: Cross multiply
    95.64x = 144.29 × 95.38
  4. Step 4: Simplify right side
    95.64x = 13,762.38
  5. Step 5: Solve for x
    x = 13,762.38/95.64
  6. Step 6: Final answer
    x = 143.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.