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Finding the Fourth Proportional to 191.52, 264.42 and 132.48

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Solution

The fourth proportional to 191.52, 264.42 and 132.48 is: 182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.52 : 264.42 = 132.48 : x
  2. Step 2: Convert to fraction form
    191.52/264.42 = 132.48/x
  3. Step 3: Cross multiply
    191.52x = 264.42 × 132.48
  4. Step 4: Simplify right side
    191.52x = 35,030.36
  5. Step 5: Solve for x
    x = 35,030.36/191.52
  6. Step 6: Final answer
    x = 182.91

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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.