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Finding the Fourth Proportional to 175.17, 262.42 and 106.53

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Solution

The fourth proportional to 175.17, 262.42 and 106.53 is: 159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.17 : 262.42 = 106.53 : x
  2. Step 2: Convert to fraction form
    175.17/262.42 = 106.53/x
  3. Step 3: Cross multiply
    175.17x = 262.42 × 106.53
  4. Step 4: Simplify right side
    175.17x = 27,954.42
  5. Step 5: Solve for x
    x = 27,954.42/175.17
  6. Step 6: Final answer
    x = 159.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.