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Finding the Fourth Proportional to 250.93, 376.08 and 135.42

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Solution

The fourth proportional to 250.93, 376.08 and 135.42 is: 202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.93 : 376.08 = 135.42 : x
  2. Step 2: Convert to fraction form
    250.93/376.08 = 135.42/x
  3. Step 3: Cross multiply
    250.93x = 376.08 × 135.42
  4. Step 4: Simplify right side
    250.93x = 50,928.95
  5. Step 5: Solve for x
    x = 50,928.95/250.93
  6. Step 6: Final answer
    x = 202.96

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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.