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Finding the Fourth Proportional to 117.62, 162.46 and 95.86

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Solution

The fourth proportional to 117.62, 162.46 and 95.86 is: 132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.62 : 162.46 = 95.86 : x
  2. Step 2: Convert to fraction form
    117.62/162.46 = 95.86/x
  3. Step 3: Cross multiply
    117.62x = 162.46 × 95.86
  4. Step 4: Simplify right side
    117.62x = 15,573.42
  5. Step 5: Solve for x
    x = 15,573.42/117.62
  6. Step 6: Final answer
    x = 132.40

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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.