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Finding the Fourth Proportional to 183.46, 275.23 and 53.45

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Solution

The fourth proportional to 183.46, 275.23 and 53.45 is: 80.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.46 : 275.23 = 53.45 : x
  2. Step 2: Convert to fraction form
    183.46/275.23 = 53.45/x
  3. Step 3: Cross multiply
    183.46x = 275.23 × 53.45
  4. Step 4: Simplify right side
    183.46x = 14,711.22
  5. Step 5: Solve for x
    x = 14,711.22/183.46
  6. Step 6: Final answer
    x = 80.19

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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.