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Finding the Fourth Proportional to 116.66, 160.99 and 73.02

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Solution

The fourth proportional to 116.66, 160.99 and 73.02 is: 100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.66 : 160.99 = 73.02 : x
  2. Step 2: Convert to fraction form
    116.66/160.99 = 73.02/x
  3. Step 3: Cross multiply
    116.66x = 160.99 × 73.02
  4. Step 4: Simplify right side
    116.66x = 11,754.72
  5. Step 5: Solve for x
    x = 11,754.72/116.66
  6. Step 6: Final answer
    x = 100.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.