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Finding the Fourth Proportional to 175.32, 242.10 and 166.26

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Solution

The fourth proportional to 175.32, 242.10 and 166.26 is: 229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.32 : 242.10 = 166.26 : x
  2. Step 2: Convert to fraction form
    175.32/242.10 = 166.26/x
  3. Step 3: Cross multiply
    175.32x = 242.10 × 166.26
  4. Step 4: Simplify right side
    175.32x = 40,251.55
  5. Step 5: Solve for x
    x = 40,251.55/175.32
  6. Step 6: Final answer
    x = 229.59

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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.