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Finding the Fourth Proportional to 116.02, 160.32 and 94.24

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Solution

The fourth proportional to 116.02, 160.32 and 94.24 is: 130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.02 : 160.32 = 94.24 : x
  2. Step 2: Convert to fraction form
    116.02/160.32 = 94.24/x
  3. Step 3: Cross multiply
    116.02x = 160.32 × 94.24
  4. Step 4: Simplify right side
    116.02x = 15,108.56
  5. Step 5: Solve for x
    x = 15,108.56/116.02
  6. Step 6: Final answer
    x = 130.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.