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Finding the Fourth Proportional to 116.66, 174.87 and 62.54

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Solution

The fourth proportional to 116.66, 174.87 and 62.54 is: 93.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.66 : 174.87 = 62.54 : x
  2. Step 2: Convert to fraction form
    116.66/174.87 = 62.54/x
  3. Step 3: Cross multiply
    116.66x = 174.87 × 62.54
  4. Step 4: Simplify right side
    116.66x = 10,936.37
  5. Step 5: Solve for x
    x = 10,936.37/116.66
  6. Step 6: Final answer
    x = 93.75

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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.