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Finding the Fourth Proportional to 94.60, 140.84 and 93.52

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Solution

The fourth proportional to 94.60, 140.84 and 93.52 is: 139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.60 : 140.84 = 93.52 : x
  2. Step 2: Convert to fraction form
    94.60/140.84 = 93.52/x
  3. Step 3: Cross multiply
    94.60x = 140.84 × 93.52
  4. Step 4: Simplify right side
    94.60x = 13,171.36
  5. Step 5: Solve for x
    x = 13,171.36/94.60
  6. Step 6: Final answer
    x = 139.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.