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Finding the Fourth Proportional to 250.68, 376.16 and 164

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Solution

The fourth proportional to 250.68, 376.16 and 164 is: 246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.68 : 376.16 = 164 : x
  2. Step 2: Convert to fraction form
    250.68/376.16 = 164/x
  3. Step 3: Cross multiply
    250.68x = 376.16 × 164
  4. Step 4: Simplify right side
    250.68x = 61,690.24
  5. Step 5: Solve for x
    x = 61,690.24/250.68
  6. Step 6: Final answer
    x = 246.09

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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.