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Finding the Fourth Proportional to 146.75, 202.56 and 95

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Solution

The fourth proportional to 146.75, 202.56 and 95 is: 131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.75 : 202.56 = 95 : x
  2. Step 2: Convert to fraction form
    146.75/202.56 = 95/x
  3. Step 3: Cross multiply
    146.75x = 202.56 × 95
  4. Step 4: Simplify right side
    146.75x = 19,243.20
  5. Step 5: Solve for x
    x = 19,243.20/146.75
  6. Step 6: Final answer
    x = 131.13

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Find fourth proportional to 73.38, 101.28 and 47.50
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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.