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Finding the Fourth Proportional to 184.69, 254.90 and 107.06

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Solution

The fourth proportional to 184.69, 254.90 and 107.06 is: 147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.69 : 254.90 = 107.06 : x
  2. Step 2: Convert to fraction form
    184.69/254.90 = 107.06/x
  3. Step 3: Cross multiply
    184.69x = 254.90 × 107.06
  4. Step 4: Simplify right side
    184.69x = 27,290.50
  5. Step 5: Solve for x
    x = 27,290.50/184.69
  6. Step 6: Final answer
    x = 147.77

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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.