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Finding the Fourth Proportional to 184.07, 253.97 and 136.18

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Solution

The fourth proportional to 184.07, 253.97 and 136.18 is: 187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.07 : 253.97 = 136.18 : x
  2. Step 2: Convert to fraction form
    184.07/253.97 = 136.18/x
  3. Step 3: Cross multiply
    184.07x = 253.97 × 136.18
  4. Step 4: Simplify right side
    184.07x = 34,583.68
  5. Step 5: Solve for x
    x = 34,583.68/184.07
  6. Step 6: Final answer
    x = 187.89

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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.