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Finding the Fourth Proportional to 116.33, 174.50 and 55.48

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Solution

The fourth proportional to 116.33, 174.50 and 55.48 is: 83.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.33 : 174.50 = 55.48 : x
  2. Step 2: Convert to fraction form
    116.33/174.50 = 55.48/x
  3. Step 3: Cross multiply
    116.33x = 174.50 × 55.48
  4. Step 4: Simplify right side
    116.33x = 9,680.98
  5. Step 5: Solve for x
    x = 9,680.98/116.33
  6. Step 6: Final answer
    x = 83.22

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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.