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Finding the Fourth Proportional to 250.08, 374.88 and 136

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Solution

The fourth proportional to 250.08, 374.88 and 136 is: 203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.08 : 374.88 = 136 : x
  2. Step 2: Convert to fraction form
    250.08/374.88 = 136/x
  3. Step 3: Cross multiply
    250.08x = 374.88 × 136
  4. Step 4: Simplify right side
    250.08x = 50,983.68
  5. Step 5: Solve for x
    x = 50,983.68/250.08
  6. Step 6: Final answer
    x = 203.87

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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.