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Finding the Fourth Proportional to 176.84, 244.11 and 114.75

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Solution

The fourth proportional to 176.84, 244.11 and 114.75 is: 158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.84 : 244.11 = 114.75 : x
  2. Step 2: Convert to fraction form
    176.84/244.11 = 114.75/x
  3. Step 3: Cross multiply
    176.84x = 244.11 × 114.75
  4. Step 4: Simplify right side
    176.84x = 28,011.62
  5. Step 5: Solve for x
    x = 28,011.62/176.84
  6. Step 6: Final answer
    x = 158.41

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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.