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Finding the Fourth Proportional to 194.92, 291.00 and 160.75

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Solution

The fourth proportional to 194.92, 291.00 and 160.75 is: 239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.92 : 291.00 = 160.75 : x
  2. Step 2: Convert to fraction form
    194.92/291.00 = 160.75/x
  3. Step 3: Cross multiply
    194.92x = 291.00 × 160.75
  4. Step 4: Simplify right side
    194.92x = 46,775.99
  5. Step 5: Solve for x
    x = 46,775.99/194.92
  6. Step 6: Final answer
    x = 239.98

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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.