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Finding the Fourth Proportional to 110.22, 152.00 and 73.31

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Solution

The fourth proportional to 110.22, 152.00 and 73.31 is: 101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.22 : 152.00 = 73.31 : x
  2. Step 2: Convert to fraction form
    110.22/152.00 = 73.31/x
  3. Step 3: Cross multiply
    110.22x = 152.00 × 73.31
  4. Step 4: Simplify right side
    110.22x = 11,141.99
  5. Step 5: Solve for x
    x = 11,141.99/110.22
  6. Step 6: Final answer
    x = 101.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.