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Finding the Fourth Proportional to 176.10, 263.06 and 141.94

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Solution

The fourth proportional to 176.10, 263.06 and 141.94 is: 212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.10 : 263.06 = 141.94 : x
  2. Step 2: Convert to fraction form
    176.10/263.06 = 141.94/x
  3. Step 3: Cross multiply
    176.10x = 263.06 × 141.94
  4. Step 4: Simplify right side
    176.10x = 37,338.74
  5. Step 5: Solve for x
    x = 37,338.74/176.10
  6. Step 6: Final answer
    x = 212.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.