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Finding the Fourth Proportional to 116.16, 174.31 and 44.02

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Solution

The fourth proportional to 116.16, 174.31 and 44.02 is: 66.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.16 : 174.31 = 44.02 : x
  2. Step 2: Convert to fraction form
    116.16/174.31 = 44.02/x
  3. Step 3: Cross multiply
    116.16x = 174.31 × 44.02
  4. Step 4: Simplify right side
    116.16x = 7,673.23
  5. Step 5: Solve for x
    x = 7,673.23/116.16
  6. Step 6: Final answer
    x = 66.06

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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.