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Finding the Fourth Proportional to 164.67, 246.89 and 149.59

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Solution

The fourth proportional to 164.67, 246.89 and 149.59 is: 224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.67 : 246.89 = 149.59 : x
  2. Step 2: Convert to fraction form
    164.67/246.89 = 149.59/x
  3. Step 3: Cross multiply
    164.67x = 246.89 × 149.59
  4. Step 4: Simplify right side
    164.67x = 36,931.53
  5. Step 5: Solve for x
    x = 36,931.53/164.67
  6. Step 6: Final answer
    x = 224.28

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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.