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Finding the Fourth Proportional to 182.61, 252.03 and 117.13

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Solution

The fourth proportional to 182.61, 252.03 and 117.13 is: 161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 252.03 = 117.13 : x
  2. Step 2: Convert to fraction form
    182.61/252.03 = 117.13/x
  3. Step 3: Cross multiply
    182.61x = 252.03 × 117.13
  4. Step 4: Simplify right side
    182.61x = 29,520.27
  5. Step 5: Solve for x
    x = 29,520.27/182.61
  6. Step 6: Final answer
    x = 161.66

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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.