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Finding the Fourth Proportional to 362.44, 543.66 and 106.12

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Solution

The fourth proportional to 362.44, 543.66 and 106.12 is: 159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.44 : 543.66 = 106.12 : x
  2. Step 2: Convert to fraction form
    362.44/543.66 = 106.12/x
  3. Step 3: Cross multiply
    362.44x = 543.66 × 106.12
  4. Step 4: Simplify right side
    362.44x = 57,693.20
  5. Step 5: Solve for x
    x = 57,693.20/362.44
  6. Step 6: Final answer
    x = 159.18

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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.