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Finding the Fourth Proportional to 185.52, 278.32 and 116.96

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Solution

The fourth proportional to 185.52, 278.32 and 116.96 is: 175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.52 : 278.32 = 116.96 : x
  2. Step 2: Convert to fraction form
    185.52/278.32 = 116.96/x
  3. Step 3: Cross multiply
    185.52x = 278.32 × 116.96
  4. Step 4: Simplify right side
    185.52x = 32,552.31
  5. Step 5: Solve for x
    x = 32,552.31/185.52
  6. Step 6: Final answer
    x = 175.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.