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Finding the Fourth Proportional to 250.44, 374.98 and 157.65

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Solution

The fourth proportional to 250.44, 374.98 and 157.65 is: 236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.44 : 374.98 = 157.65 : x
  2. Step 2: Convert to fraction form
    250.44/374.98 = 157.65/x
  3. Step 3: Cross multiply
    250.44x = 374.98 × 157.65
  4. Step 4: Simplify right side
    250.44x = 59,114.09
  5. Step 5: Solve for x
    x = 59,114.09/250.44
  6. Step 6: Final answer
    x = 236.04

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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.