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Finding the Fourth Proportional to 195.46, 269.59 and 125.53

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Solution

The fourth proportional to 195.46, 269.59 and 125.53 is: 173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.46 : 269.59 = 125.53 : x
  2. Step 2: Convert to fraction form
    195.46/269.59 = 125.53/x
  3. Step 3: Cross multiply
    195.46x = 269.59 × 125.53
  4. Step 4: Simplify right side
    195.46x = 33,841.11
  5. Step 5: Solve for x
    x = 33,841.11/195.46
  6. Step 6: Final answer
    x = 173.13

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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.