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Finding the Fourth Proportional to 194.84, 292.34 and 102.35

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Solution

The fourth proportional to 194.84, 292.34 and 102.35 is: 153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.84 : 292.34 = 102.35 : x
  2. Step 2: Convert to fraction form
    194.84/292.34 = 102.35/x
  3. Step 3: Cross multiply
    194.84x = 292.34 × 102.35
  4. Step 4: Simplify right side
    194.84x = 29,919.03
  5. Step 5: Solve for x
    x = 29,919.03/194.84
  6. Step 6: Final answer
    x = 153.56

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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.