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Finding the Fourth Proportional to 194.41, 291.50 and 96.69

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Solution

The fourth proportional to 194.41, 291.50 and 96.69 is: 144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.41 : 291.50 = 96.69 : x
  2. Step 2: Convert to fraction form
    194.41/291.50 = 96.69/x
  3. Step 3: Cross multiply
    194.41x = 291.50 × 96.69
  4. Step 4: Simplify right side
    194.41x = 28,184.65
  5. Step 5: Solve for x
    x = 28,184.65/194.41
  6. Step 6: Final answer
    x = 144.98

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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.