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Finding the Fourth Proportional to 94.32, 141.27 and 46.13

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Solution

The fourth proportional to 94.32, 141.27 and 46.13 is: 69.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.32 : 141.27 = 46.13 : x
  2. Step 2: Convert to fraction form
    94.32/141.27 = 46.13/x
  3. Step 3: Cross multiply
    94.32x = 141.27 × 46.13
  4. Step 4: Simplify right side
    94.32x = 6,516.79
  5. Step 5: Solve for x
    x = 6,516.79/94.32
  6. Step 6: Final answer
    x = 69.09

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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.