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Finding the Fourth Proportional to 182.96, 252.54 and 117.46

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Solution

The fourth proportional to 182.96, 252.54 and 117.46 is: 162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.96 : 252.54 = 117.46 : x
  2. Step 2: Convert to fraction form
    182.96/252.54 = 117.46/x
  3. Step 3: Cross multiply
    182.96x = 252.54 × 117.46
  4. Step 4: Simplify right side
    182.96x = 29,663.35
  5. Step 5: Solve for x
    x = 29,663.35/182.96
  6. Step 6: Final answer
    x = 162.13

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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.