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Finding the Fourth Proportional to 116.55, 174.84 and 35.39

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Solution

The fourth proportional to 116.55, 174.84 and 35.39 is: 53.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.55 : 174.84 = 35.39 : x
  2. Step 2: Convert to fraction form
    116.55/174.84 = 35.39/x
  3. Step 3: Cross multiply
    116.55x = 174.84 × 35.39
  4. Step 4: Simplify right side
    116.55x = 6,187.59
  5. Step 5: Solve for x
    x = 6,187.59/116.55
  6. Step 6: Final answer
    x = 53.09

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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.