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Finding the Fourth Proportional to 184.81, 277.31 and 63.11

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Solution

The fourth proportional to 184.81, 277.31 and 63.11 is: 94.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.81 : 277.31 = 63.11 : x
  2. Step 2: Convert to fraction form
    184.81/277.31 = 63.11/x
  3. Step 3: Cross multiply
    184.81x = 277.31 × 63.11
  4. Step 4: Simplify right side
    184.81x = 17,499.81
  5. Step 5: Solve for x
    x = 17,499.81/184.81
  6. Step 6: Final answer
    x = 94.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.