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Finding the Fourth Proportional to 164.32, 246.50 and 73.02

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Solution

The fourth proportional to 164.32, 246.50 and 73.02 is: 109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.32 : 246.50 = 73.02 : x
  2. Step 2: Convert to fraction form
    164.32/246.50 = 73.02/x
  3. Step 3: Cross multiply
    164.32x = 246.50 × 73.02
  4. Step 4: Simplify right side
    164.32x = 17,999.43
  5. Step 5: Solve for x
    x = 17,999.43/164.32
  6. Step 6: Final answer
    x = 109.54

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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.