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Finding the Fourth Proportional to 184.18, 253.88 and 140.44

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Solution

The fourth proportional to 184.18, 253.88 and 140.44 is: 193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.18 : 253.88 = 140.44 : x
  2. Step 2: Convert to fraction form
    184.18/253.88 = 140.44/x
  3. Step 3: Cross multiply
    184.18x = 253.88 × 140.44
  4. Step 4: Simplify right side
    184.18x = 35,654.91
  5. Step 5: Solve for x
    x = 35,654.91/184.18
  6. Step 6: Final answer
    x = 193.59

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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.