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Finding the Fourth Proportional to 184.14, 253.86 and 125.82

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Solution

The fourth proportional to 184.14, 253.86 and 125.82 is: 173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.14 : 253.86 = 125.82 : x
  2. Step 2: Convert to fraction form
    184.14/253.86 = 125.82/x
  3. Step 3: Cross multiply
    184.14x = 253.86 × 125.82
  4. Step 4: Simplify right side
    184.14x = 31,940.67
  5. Step 5: Solve for x
    x = 31,940.67/184.14
  6. Step 6: Final answer
    x = 173.46

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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.