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Finding the Fourth Proportional to 213.58, 294.44 and 176.27

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Solution

The fourth proportional to 213.58, 294.44 and 176.27 is: 242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.58 : 294.44 = 176.27 : x
  2. Step 2: Convert to fraction form
    213.58/294.44 = 176.27/x
  3. Step 3: Cross multiply
    213.58x = 294.44 × 176.27
  4. Step 4: Simplify right side
    213.58x = 51,898.59
  5. Step 5: Solve for x
    x = 51,898.59/213.58
  6. Step 6: Final answer
    x = 242.99

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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.