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Finding the Fourth Proportional to 184.52, 254.70 and 113.63

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Solution

The fourth proportional to 184.52, 254.70 and 113.63 is: 156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.52 : 254.70 = 113.63 : x
  2. Step 2: Convert to fraction form
    184.52/254.70 = 113.63/x
  3. Step 3: Cross multiply
    184.52x = 254.70 × 113.63
  4. Step 4: Simplify right side
    184.52x = 28,940.29
  5. Step 5: Solve for x
    x = 28,940.29/184.52
  6. Step 6: Final answer
    x = 156.85

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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.