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Finding the Fourth Proportional to 268.95, 371.06 and 175.83

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Solution

The fourth proportional to 268.95, 371.06 and 175.83 is: 242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.95 : 371.06 = 175.83 : x
  2. Step 2: Convert to fraction form
    268.95/371.06 = 175.83/x
  3. Step 3: Cross multiply
    268.95x = 371.06 × 175.83
  4. Step 4: Simplify right side
    268.95x = 65,243.48
  5. Step 5: Solve for x
    x = 65,243.48/268.95
  6. Step 6: Final answer
    x = 242.59

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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.