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Finding the Fourth Proportional to 116.57, 175.00 and 65.26

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Solution

The fourth proportional to 116.57, 175.00 and 65.26 is: 97.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.57 : 175.00 = 65.26 : x
  2. Step 2: Convert to fraction form
    116.57/175.00 = 65.26/x
  3. Step 3: Cross multiply
    116.57x = 175.00 × 65.26
  4. Step 4: Simplify right side
    116.57x = 11,419.88
  5. Step 5: Solve for x
    x = 11,419.88/116.57
  6. Step 6: Final answer
    x = 97.96

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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.