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Finding the Fourth Proportional to 183.38, 275.06 and 46.43

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Solution

The fourth proportional to 183.38, 275.06 and 46.43 is: 69.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.38 : 275.06 = 46.43 : x
  2. Step 2: Convert to fraction form
    183.38/275.06 = 46.43/x
  3. Step 3: Cross multiply
    183.38x = 275.06 × 46.43
  4. Step 4: Simplify right side
    183.38x = 12,771.04
  5. Step 5: Solve for x
    x = 12,771.04/183.38
  6. Step 6: Final answer
    x = 69.64

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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.