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Finding the Fourth Proportional to 183.34, 275.07 and 61.63

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Solution

The fourth proportional to 183.34, 275.07 and 61.63 is: 92.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.34 : 275.07 = 61.63 : x
  2. Step 2: Convert to fraction form
    183.34/275.07 = 61.63/x
  3. Step 3: Cross multiply
    183.34x = 275.07 × 61.63
  4. Step 4: Simplify right side
    183.34x = 16,952.56
  5. Step 5: Solve for x
    x = 16,952.56/183.34
  6. Step 6: Final answer
    x = 92.47

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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.