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Finding the Fourth Proportional to 236, 325.68 and 132.50

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Solution

The fourth proportional to 236, 325.68 and 132.50 is: 182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236 : 325.68 = 132.50 : x
  2. Step 2: Convert to fraction form
    236/325.68 = 132.50/x
  3. Step 3: Cross multiply
    236x = 325.68 × 132.50
  4. Step 4: Simplify right side
    236x = 43,152.60
  5. Step 5: Solve for x
    x = 43,152.60/236
  6. Step 6: Final answer
    x = 182.85

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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.