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Finding the Fourth Proportional to 116.63, 160.95 and 94.96

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Solution

The fourth proportional to 116.63, 160.95 and 94.96 is: 131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.63 : 160.95 = 94.96 : x
  2. Step 2: Convert to fraction form
    116.63/160.95 = 94.96/x
  3. Step 3: Cross multiply
    116.63x = 160.95 × 94.96
  4. Step 4: Simplify right side
    116.63x = 15,283.81
  5. Step 5: Solve for x
    x = 15,283.81/116.63
  6. Step 6: Final answer
    x = 131.05

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Why These Related Problems?

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