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Finding the Fourth Proportional to 164.96, 227.56 and 106.02

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Solution

The fourth proportional to 164.96, 227.56 and 106.02 is: 146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.96 : 227.56 = 106.02 : x
  2. Step 2: Convert to fraction form
    164.96/227.56 = 106.02/x
  3. Step 3: Cross multiply
    164.96x = 227.56 × 106.02
  4. Step 4: Simplify right side
    164.96x = 24,125.91
  5. Step 5: Solve for x
    x = 24,125.91/164.96
  6. Step 6: Final answer
    x = 146.25

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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.