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Finding the Fourth Proportional to 96.17, 143.44 and 93.29

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Solution

The fourth proportional to 96.17, 143.44 and 93.29 is: 139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.17 : 143.44 = 93.29 : x
  2. Step 2: Convert to fraction form
    96.17/143.44 = 93.29/x
  3. Step 3: Cross multiply
    96.17x = 143.44 × 93.29
  4. Step 4: Simplify right side
    96.17x = 13,380.57
  5. Step 5: Solve for x
    x = 13,380.57/96.17
  6. Step 6: Final answer
    x = 139.14

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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.