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Finding the Fourth Proportional to 123.29, 184.97 and 41.03

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Solution

The fourth proportional to 123.29, 184.97 and 41.03 is: 61.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.29 : 184.97 = 41.03 : x
  2. Step 2: Convert to fraction form
    123.29/184.97 = 41.03/x
  3. Step 3: Cross multiply
    123.29x = 184.97 × 41.03
  4. Step 4: Simplify right side
    123.29x = 7,588.86
  5. Step 5: Solve for x
    x = 7,588.86/123.29
  6. Step 6: Final answer
    x = 61.55

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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.