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Finding the Fourth Proportional to 194.52, 291.36 and 185.60

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Solution

The fourth proportional to 194.52, 291.36 and 185.60 is: 278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.52 : 291.36 = 185.60 : x
  2. Step 2: Convert to fraction form
    194.52/291.36 = 185.60/x
  3. Step 3: Cross multiply
    194.52x = 291.36 × 185.60
  4. Step 4: Simplify right side
    194.52x = 54,076.42
  5. Step 5: Solve for x
    x = 54,076.42/194.52
  6. Step 6: Final answer
    x = 278.00

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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.