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Finding the Fourth Proportional to 116.47, 174.50 and 97.33

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Solution

The fourth proportional to 116.47, 174.50 and 97.33 is: 145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.47 : 174.50 = 97.33 : x
  2. Step 2: Convert to fraction form
    116.47/174.50 = 97.33/x
  3. Step 3: Cross multiply
    116.47x = 174.50 × 97.33
  4. Step 4: Simplify right side
    116.47x = 16,983.60
  5. Step 5: Solve for x
    x = 16,983.60/116.47
  6. Step 6: Final answer
    x = 145.83

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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.