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Finding the Fourth Proportional to 164.53, 246.70 and 123.37

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Solution

The fourth proportional to 164.53, 246.70 and 123.37 is: 184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.53 : 246.70 = 123.37 : x
  2. Step 2: Convert to fraction form
    164.53/246.70 = 123.37/x
  3. Step 3: Cross multiply
    164.53x = 246.70 × 123.37
  4. Step 4: Simplify right side
    164.53x = 30,435.61
  5. Step 5: Solve for x
    x = 30,435.61/164.53
  6. Step 6: Final answer
    x = 184.98

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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.