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Finding the Fourth Proportional to 194.30, 291.06 and 179

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Solution

The fourth proportional to 194.30, 291.06 and 179 is: 268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.30 : 291.06 = 179 : x
  2. Step 2: Convert to fraction form
    194.30/291.06 = 179/x
  3. Step 3: Cross multiply
    194.30x = 291.06 × 179
  4. Step 4: Simplify right side
    194.30x = 52,099.74
  5. Step 5: Solve for x
    x = 52,099.74/194.30
  6. Step 6: Final answer
    x = 268.14

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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.