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Finding the Fourth Proportional to 94, 140.96 and 32.29

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Solution

The fourth proportional to 94, 140.96 and 32.29 is: 48.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94 : 140.96 = 32.29 : x
  2. Step 2: Convert to fraction form
    94/140.96 = 32.29/x
  3. Step 3: Cross multiply
    94x = 140.96 × 32.29
  4. Step 4: Simplify right side
    94x = 4,551.60
  5. Step 5: Solve for x
    x = 4,551.60/94
  6. Step 6: Final answer
    x = 48.42

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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.