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Finding the Fourth Proportional to 182.50, 251.50 and 116.89

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Solution

The fourth proportional to 182.50, 251.50 and 116.89 is: 161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.50 : 251.50 = 116.89 : x
  2. Step 2: Convert to fraction form
    182.50/251.50 = 116.89/x
  3. Step 3: Cross multiply
    182.50x = 251.50 × 116.89
  4. Step 4: Simplify right side
    182.50x = 29,397.84
  5. Step 5: Solve for x
    x = 29,397.84/182.50
  6. Step 6: Final answer
    x = 161.08

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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.