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Finding the Fourth Proportional to 116.52, 174.46 and 73.64

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Solution

The fourth proportional to 116.52, 174.46 and 73.64 is: 110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.52 : 174.46 = 73.64 : x
  2. Step 2: Convert to fraction form
    116.52/174.46 = 73.64/x
  3. Step 3: Cross multiply
    116.52x = 174.46 × 73.64
  4. Step 4: Simplify right side
    116.52x = 12,847.23
  5. Step 5: Solve for x
    x = 12,847.23/116.52
  6. Step 6: Final answer
    x = 110.26

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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.