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Finding the Fourth Proportional to 122.68, 184.04 and 41.52

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Solution

The fourth proportional to 122.68, 184.04 and 41.52 is: 62.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.68 : 184.04 = 41.52 : x
  2. Step 2: Convert to fraction form
    122.68/184.04 = 41.52/x
  3. Step 3: Cross multiply
    122.68x = 184.04 × 41.52
  4. Step 4: Simplify right side
    122.68x = 7,641.34
  5. Step 5: Solve for x
    x = 7,641.34/122.68
  6. Step 6: Final answer
    x = 62.29

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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.