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Finding the Fourth Proportional to 116.19, 174.28 and 44.10

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Solution

The fourth proportional to 116.19, 174.28 and 44.10 is: 66.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.19 : 174.28 = 44.10 : x
  2. Step 2: Convert to fraction form
    116.19/174.28 = 44.10/x
  3. Step 3: Cross multiply
    116.19x = 174.28 × 44.10
  4. Step 4: Simplify right side
    116.19x = 7,685.15
  5. Step 5: Solve for x
    x = 7,685.15/116.19
  6. Step 6: Final answer
    x = 66.15

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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.