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Finding the Fourth Proportional to 123.25, 184.76 and 50.08

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Solution

The fourth proportional to 123.25, 184.76 and 50.08 is: 75.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123.25 : 184.76 = 50.08 : x
  2. Step 2: Convert to fraction form
    123.25/184.76 = 50.08/x
  3. Step 3: Cross multiply
    123.25x = 184.76 × 50.08
  4. Step 4: Simplify right side
    123.25x = 9,251.86
  5. Step 5: Solve for x
    x = 9,251.86/123.25
  6. Step 6: Final answer
    x = 75.07

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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.