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Finding the Fourth Proportional to 166.08, 228.95 and 116.87

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Solution

The fourth proportional to 166.08, 228.95 and 116.87 is: 161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.08 : 228.95 = 116.87 : x
  2. Step 2: Convert to fraction form
    166.08/228.95 = 116.87/x
  3. Step 3: Cross multiply
    166.08x = 228.95 × 116.87
  4. Step 4: Simplify right side
    166.08x = 26,757.07
  5. Step 5: Solve for x
    x = 26,757.07/166.08
  6. Step 6: Final answer
    x = 161.11

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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.