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Finding the Fourth Proportional to 191.13, 263.84 and 132.95

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Solution

The fourth proportional to 191.13, 263.84 and 132.95 is: 183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.13 : 263.84 = 132.95 : x
  2. Step 2: Convert to fraction form
    191.13/263.84 = 132.95/x
  3. Step 3: Cross multiply
    191.13x = 263.84 × 132.95
  4. Step 4: Simplify right side
    191.13x = 35,075.54
  5. Step 5: Solve for x
    x = 35,075.54/191.13
  6. Step 6: Final answer
    x = 183.52

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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.