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Finding the Fourth Proportional to 236.01, 325.63 and 137.75

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Solution

The fourth proportional to 236.01, 325.63 and 137.75 is: 190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.01 : 325.63 = 137.75 : x
  2. Step 2: Convert to fraction form
    236.01/325.63 = 137.75/x
  3. Step 3: Cross multiply
    236.01x = 325.63 × 137.75
  4. Step 4: Simplify right side
    236.01x = 44,855.53
  5. Step 5: Solve for x
    x = 44,855.53/236.01
  6. Step 6: Final answer
    x = 190.06

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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.