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Finding the Fourth Proportional to 235.52, 324.98 and 132

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Solution

The fourth proportional to 235.52, 324.98 and 132 is: 182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.52 : 324.98 = 132 : x
  2. Step 2: Convert to fraction form
    235.52/324.98 = 132/x
  3. Step 3: Cross multiply
    235.52x = 324.98 × 132
  4. Step 4: Simplify right side
    235.52x = 42,897.36
  5. Step 5: Solve for x
    x = 42,897.36/235.52
  6. Step 6: Final answer
    x = 182.14

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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.