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Finding the Fourth Proportional to 116.28, 173.64 and 96.06

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Solution

The fourth proportional to 116.28, 173.64 and 96.06 is: 143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.28 : 173.64 = 96.06 : x
  2. Step 2: Convert to fraction form
    116.28/173.64 = 96.06/x
  3. Step 3: Cross multiply
    116.28x = 173.64 × 96.06
  4. Step 4: Simplify right side
    116.28x = 16,679.86
  5. Step 5: Solve for x
    x = 16,679.86/116.28
  6. Step 6: Final answer
    x = 143.45

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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.