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Finding the Fourth Proportional to 184.17, 254.27 and 153.17

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Solution

The fourth proportional to 184.17, 254.27 and 153.17 is: 211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.17 : 254.27 = 153.17 : x
  2. Step 2: Convert to fraction form
    184.17/254.27 = 153.17/x
  3. Step 3: Cross multiply
    184.17x = 254.27 × 153.17
  4. Step 4: Simplify right side
    184.17x = 38,944.50
  5. Step 5: Solve for x
    x = 38,944.50/184.17
  6. Step 6: Final answer
    x = 211.46

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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.