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Finding the Fourth Proportional to 175.79, 263.70 and 133.04

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Solution

The fourth proportional to 175.79, 263.70 and 133.04 is: 199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.79 : 263.70 = 133.04 : x
  2. Step 2: Convert to fraction form
    175.79/263.70 = 133.04/x
  3. Step 3: Cross multiply
    175.79x = 263.70 × 133.04
  4. Step 4: Simplify right side
    175.79x = 35,082.65
  5. Step 5: Solve for x
    x = 35,082.65/175.79
  6. Step 6: Final answer
    x = 199.57

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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.