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Finding the Fourth Proportional to 94.58, 141.80 and 29.56

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Solution

The fourth proportional to 94.58, 141.80 and 29.56 is: 44.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.58 : 141.80 = 29.56 : x
  2. Step 2: Convert to fraction form
    94.58/141.80 = 29.56/x
  3. Step 3: Cross multiply
    94.58x = 141.80 × 29.56
  4. Step 4: Simplify right side
    94.58x = 4,191.08
  5. Step 5: Solve for x
    x = 4,191.08/94.58
  6. Step 6: Final answer
    x = 44.31

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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.