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Finding the Fourth Proportional to 116.40, 174.61 and 35.25

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Solution

The fourth proportional to 116.40, 174.61 and 35.25 is: 52.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.40 : 174.61 = 35.25 : x
  2. Step 2: Convert to fraction form
    116.40/174.61 = 35.25/x
  3. Step 3: Cross multiply
    116.40x = 174.61 × 35.25
  4. Step 4: Simplify right side
    116.40x = 6,154.28
  5. Step 5: Solve for x
    x = 6,154.28/116.40
  6. Step 6: Final answer
    x = 52.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.