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Finding the Fourth Proportional to 176.84, 243.99 and 124.33

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Solution

The fourth proportional to 176.84, 243.99 and 124.33 is: 171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.84 : 243.99 = 124.33 : x
  2. Step 2: Convert to fraction form
    176.84/243.99 = 124.33/x
  3. Step 3: Cross multiply
    176.84x = 243.99 × 124.33
  4. Step 4: Simplify right side
    176.84x = 30,335.28
  5. Step 5: Solve for x
    x = 30,335.28/176.84
  6. Step 6: Final answer
    x = 171.54

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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.