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Finding the Fourth Proportional to 234.84, 324.02 and 176.60

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Solution

The fourth proportional to 234.84, 324.02 and 176.60 is: 243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 324.02 = 176.60 : x
  2. Step 2: Convert to fraction form
    234.84/324.02 = 176.60/x
  3. Step 3: Cross multiply
    234.84x = 324.02 × 176.60
  4. Step 4: Simplify right side
    234.84x = 57,221.93
  5. Step 5: Solve for x
    x = 57,221.93/234.84
  6. Step 6: Final answer
    x = 243.66

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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.