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Finding the Fourth Proportional to 175.90, 242.94 and 167.26

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Solution

The fourth proportional to 175.90, 242.94 and 167.26 is: 231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.90 : 242.94 = 167.26 : x
  2. Step 2: Convert to fraction form
    175.90/242.94 = 167.26/x
  3. Step 3: Cross multiply
    175.90x = 242.94 × 167.26
  4. Step 4: Simplify right side
    175.90x = 40,634.14
  5. Step 5: Solve for x
    x = 40,634.14/175.90
  6. Step 6: Final answer
    x = 231.01

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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.