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Finding the Fourth Proportional to 185.16, 277.82 and 116.66

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Solution

The fourth proportional to 185.16, 277.82 and 116.66 is: 175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.16 : 277.82 = 116.66 : x
  2. Step 2: Convert to fraction form
    185.16/277.82 = 116.66/x
  3. Step 3: Cross multiply
    185.16x = 277.82 × 116.66
  4. Step 4: Simplify right side
    185.16x = 32,410.48
  5. Step 5: Solve for x
    x = 32,410.48/185.16
  6. Step 6: Final answer
    x = 175.04

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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.