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Finding the Fourth Proportional to 250.02, 374.55 and 134.12

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Solution

The fourth proportional to 250.02, 374.55 and 134.12 is: 200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.02 : 374.55 = 134.12 : x
  2. Step 2: Convert to fraction form
    250.02/374.55 = 134.12/x
  3. Step 3: Cross multiply
    250.02x = 374.55 × 134.12
  4. Step 4: Simplify right side
    250.02x = 50,234.65
  5. Step 5: Solve for x
    x = 50,234.65/250.02
  6. Step 6: Final answer
    x = 200.92

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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.