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Finding the Fourth Proportional to 251.59, 376.86 and 160.24

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Solution

The fourth proportional to 251.59, 376.86 and 160.24 is: 240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.59 : 376.86 = 160.24 : x
  2. Step 2: Convert to fraction form
    251.59/376.86 = 160.24/x
  3. Step 3: Cross multiply
    251.59x = 376.86 × 160.24
  4. Step 4: Simplify right side
    251.59x = 60,388.05
  5. Step 5: Solve for x
    x = 60,388.05/251.59
  6. Step 6: Final answer
    x = 240.03

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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.