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Finding the Fourth Proportional to 116.97, 175.27 and 74.13

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Solution

The fourth proportional to 116.97, 175.27 and 74.13 is: 111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.97 : 175.27 = 74.13 : x
  2. Step 2: Convert to fraction form
    116.97/175.27 = 74.13/x
  3. Step 3: Cross multiply
    116.97x = 175.27 × 74.13
  4. Step 4: Simplify right side
    116.97x = 12,992.77
  5. Step 5: Solve for x
    x = 12,992.77/116.97
  6. Step 6: Final answer
    x = 111.08

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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.