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Finding the Fourth Proportional to 182.99, 252.45 and 117.47

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Solution

The fourth proportional to 182.99, 252.45 and 117.47 is: 162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.99 : 252.45 = 117.47 : x
  2. Step 2: Convert to fraction form
    182.99/252.45 = 117.47/x
  3. Step 3: Cross multiply
    182.99x = 252.45 × 117.47
  4. Step 4: Simplify right side
    182.99x = 29,655.30
  5. Step 5: Solve for x
    x = 29,655.30/182.99
  6. Step 6: Final answer
    x = 162.06

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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.