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Finding the Fourth Proportional to 235.63, 325.17 and 132.13

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Solution

The fourth proportional to 235.63, 325.17 and 132.13 is: 182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.63 : 325.17 = 132.13 : x
  2. Step 2: Convert to fraction form
    235.63/325.17 = 132.13/x
  3. Step 3: Cross multiply
    235.63x = 325.17 × 132.13
  4. Step 4: Simplify right side
    235.63x = 42,962.43
  5. Step 5: Solve for x
    x = 42,962.43/235.63
  6. Step 6: Final answer
    x = 182.33

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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.