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Finding the Fourth Proportional to 116.74, 175.16 and 65.37

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Solution

The fourth proportional to 116.74, 175.16 and 65.37 is: 98.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.74 : 175.16 = 65.37 : x
  2. Step 2: Convert to fraction form
    116.74/175.16 = 65.37/x
  3. Step 3: Cross multiply
    116.74x = 175.16 × 65.37
  4. Step 4: Simplify right side
    116.74x = 11,450.21
  5. Step 5: Solve for x
    x = 11,450.21/116.74
  6. Step 6: Final answer
    x = 98.08

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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.