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Finding the Fourth Proportional to 116.44, 175.02 and 103

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Solution

The fourth proportional to 116.44, 175.02 and 103 is: 154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.44 : 175.02 = 103 : x
  2. Step 2: Convert to fraction form
    116.44/175.02 = 103/x
  3. Step 3: Cross multiply
    116.44x = 175.02 × 103
  4. Step 4: Simplify right side
    116.44x = 18,027.06
  5. Step 5: Solve for x
    x = 18,027.06/116.44
  6. Step 6: Final answer
    x = 154.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.