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Finding the Fourth Proportional to 164.38, 246.04 and 114.89

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Solution

The fourth proportional to 164.38, 246.04 and 114.89 is: 171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.38 : 246.04 = 114.89 : x
  2. Step 2: Convert to fraction form
    164.38/246.04 = 114.89/x
  3. Step 3: Cross multiply
    164.38x = 246.04 × 114.89
  4. Step 4: Simplify right side
    164.38x = 28,266.02
  5. Step 5: Solve for x
    x = 28,266.02/164.38
  6. Step 6: Final answer
    x = 171.96

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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.