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Finding the Fourth Proportional to 116.32, 160.50 and 94.54

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Solution

The fourth proportional to 116.32, 160.50 and 94.54 is: 130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.32 : 160.50 = 94.54 : x
  2. Step 2: Convert to fraction form
    116.32/160.50 = 94.54/x
  3. Step 3: Cross multiply
    116.32x = 160.50 × 94.54
  4. Step 4: Simplify right side
    116.32x = 15,173.67
  5. Step 5: Solve for x
    x = 15,173.67/116.32
  6. Step 6: Final answer
    x = 130.45

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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.