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Finding the Fourth Proportional to 116.17, 174.26 and 93.40

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Solution

The fourth proportional to 116.17, 174.26 and 93.40 is: 140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.17 : 174.26 = 93.40 : x
  2. Step 2: Convert to fraction form
    116.17/174.26 = 93.40/x
  3. Step 3: Cross multiply
    116.17x = 174.26 × 93.40
  4. Step 4: Simplify right side
    116.17x = 16,275.68
  5. Step 5: Solve for x
    x = 16,275.68/116.17
  6. Step 6: Final answer
    x = 140.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.