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Finding the Fourth Proportional to 175.96, 242.58 and 166.84

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Solution

The fourth proportional to 175.96, 242.58 and 166.84 is: 230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.96 : 242.58 = 166.84 : x
  2. Step 2: Convert to fraction form
    175.96/242.58 = 166.84/x
  3. Step 3: Cross multiply
    175.96x = 242.58 × 166.84
  4. Step 4: Simplify right side
    175.96x = 40,472.05
  5. Step 5: Solve for x
    x = 40,472.05/175.96
  6. Step 6: Final answer
    x = 230.01

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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.