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Finding the Fourth Proportional to 164.72, 246.93 and 73.37

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Solution

The fourth proportional to 164.72, 246.93 and 73.37 is: 109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.72 : 246.93 = 73.37 : x
  2. Step 2: Convert to fraction form
    164.72/246.93 = 73.37/x
  3. Step 3: Cross multiply
    164.72x = 246.93 × 73.37
  4. Step 4: Simplify right side
    164.72x = 18,117.25
  5. Step 5: Solve for x
    x = 18,117.25/164.72
  6. Step 6: Final answer
    x = 109.99

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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.