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Finding the Fourth Proportional to 185.66, 277.28 and 160.04

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Solution

The fourth proportional to 185.66, 277.28 and 160.04 is: 239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.66 : 277.28 = 160.04 : x
  2. Step 2: Convert to fraction form
    185.66/277.28 = 160.04/x
  3. Step 3: Cross multiply
    185.66x = 277.28 × 160.04
  4. Step 4: Simplify right side
    185.66x = 44,375.89
  5. Step 5: Solve for x
    x = 44,375.89/185.66
  6. Step 6: Final answer
    x = 239.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.