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Finding the Fourth Proportional to 250.95, 376.35 and 96.96

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Solution

The fourth proportional to 250.95, 376.35 and 96.96 is: 145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.95 : 376.35 = 96.96 : x
  2. Step 2: Convert to fraction form
    250.95/376.35 = 96.96/x
  3. Step 3: Cross multiply
    250.95x = 376.35 × 96.96
  4. Step 4: Simplify right side
    250.95x = 36,489.01
  5. Step 5: Solve for x
    x = 36,489.01/250.95
  6. Step 6: Final answer
    x = 145.41

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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.