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Finding the Fourth Proportional to 116.02, 174.37 and 107.53

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Solution

The fourth proportional to 116.02, 174.37 and 107.53 is: 161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.02 : 174.37 = 107.53 : x
  2. Step 2: Convert to fraction form
    116.02/174.37 = 107.53/x
  3. Step 3: Cross multiply
    116.02x = 174.37 × 107.53
  4. Step 4: Simplify right side
    116.02x = 18,750.01
  5. Step 5: Solve for x
    x = 18,750.01/116.02
  6. Step 6: Final answer
    x = 161.61

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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.