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Finding the Fourth Proportional to 182, 250.44 and 138.16

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Solution

The fourth proportional to 182, 250.44 and 138.16 is: 190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    182 : 250.44 = 138.16 : x
  2. Step 2: Convert to fraction form
    182/250.44 = 138.16/x
  3. Step 3: Cross multiply
    182x = 250.44 × 138.16
  4. Step 4: Simplify right side
    182x = 34,600.79
  5. Step 5: Solve for x
    x = 34,600.79/182
  6. Step 6: Final answer
    x = 190.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.