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Finding the Fourth Proportional to 183.93, 275.82 and 75.69

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Solution

The fourth proportional to 183.93, 275.82 and 75.69 is: 113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.93 : 275.82 = 75.69 : x
  2. Step 2: Convert to fraction form
    183.93/275.82 = 75.69/x
  3. Step 3: Cross multiply
    183.93x = 275.82 × 75.69
  4. Step 4: Simplify right side
    183.93x = 20,876.82
  5. Step 5: Solve for x
    x = 20,876.82/183.93
  6. Step 6: Final answer
    x = 113.50

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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.