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Finding the Fourth Proportional to 116.63, 174.94 and 65.26

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Solution

The fourth proportional to 116.63, 174.94 and 65.26 is: 97.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.63 : 174.94 = 65.26 : x
  2. Step 2: Convert to fraction form
    116.63/174.94 = 65.26/x
  3. Step 3: Cross multiply
    116.63x = 174.94 × 65.26
  4. Step 4: Simplify right side
    116.63x = 11,416.58
  5. Step 5: Solve for x
    x = 11,416.58/116.63
  6. Step 6: Final answer
    x = 97.89

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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.