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Finding the Fourth Proportional to 104.73, 157.10 and 96.09

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Solution

The fourth proportional to 104.73, 157.10 and 96.09 is: 144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.73 : 157.10 = 96.09 : x
  2. Step 2: Convert to fraction form
    104.73/157.10 = 96.09/x
  3. Step 3: Cross multiply
    104.73x = 157.10 × 96.09
  4. Step 4: Simplify right side
    104.73x = 15,095.26
  5. Step 5: Solve for x
    x = 15,095.26/104.73
  6. Step 6: Final answer
    x = 144.14

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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.