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Finding the Fourth Proportional to 140.54, 194.00 and 95.68

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Solution

The fourth proportional to 140.54, 194.00 and 95.68 is: 132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.54 : 194.00 = 95.68 : x
  2. Step 2: Convert to fraction form
    140.54/194.00 = 95.68/x
  3. Step 3: Cross multiply
    140.54x = 194.00 × 95.68
  4. Step 4: Simplify right side
    140.54x = 18,561.68
  5. Step 5: Solve for x
    x = 18,561.68/140.54
  6. Step 6: Final answer
    x = 132.08

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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.