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Finding the Fourth Proportional to 122.93, 184.34 and 41.75

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Solution

The fourth proportional to 122.93, 184.34 and 41.75 is: 62.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.93 : 184.34 = 41.75 : x
  2. Step 2: Convert to fraction form
    122.93/184.34 = 41.75/x
  3. Step 3: Cross multiply
    122.93x = 184.34 × 41.75
  4. Step 4: Simplify right side
    122.93x = 7,695.38
  5. Step 5: Solve for x
    x = 7,695.38/122.93
  6. Step 6: Final answer
    x = 62.60

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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.