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Finding the Fourth Proportional to 110.73, 152.93 and 73.82

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Solution

The fourth proportional to 110.73, 152.93 and 73.82 is: 101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.73 : 152.93 = 73.82 : x
  2. Step 2: Convert to fraction form
    110.73/152.93 = 73.82/x
  3. Step 3: Cross multiply
    110.73x = 152.93 × 73.82
  4. Step 4: Simplify right side
    110.73x = 11,289.29
  5. Step 5: Solve for x
    x = 11,289.29/110.73
  6. Step 6: Final answer
    x = 101.96

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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.