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Finding the Fourth Proportional to 184.71, 254.88 and 101.82

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Solution

The fourth proportional to 184.71, 254.88 and 101.82 is: 140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.71 : 254.88 = 101.82 : x
  2. Step 2: Convert to fraction form
    184.71/254.88 = 101.82/x
  3. Step 3: Cross multiply
    184.71x = 254.88 × 101.82
  4. Step 4: Simplify right side
    184.71x = 25,951.88
  5. Step 5: Solve for x
    x = 25,951.88/184.71
  6. Step 6: Final answer
    x = 140.50

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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.