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Finding the Fourth Proportional to 104.96, 157.50 and 44.09

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Solution

The fourth proportional to 104.96, 157.50 and 44.09 is: 66.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.96 : 157.50 = 44.09 : x
  2. Step 2: Convert to fraction form
    104.96/157.50 = 44.09/x
  3. Step 3: Cross multiply
    104.96x = 157.50 × 44.09
  4. Step 4: Simplify right side
    104.96x = 6,944.18
  5. Step 5: Solve for x
    x = 6,944.18/104.96
  6. Step 6: Final answer
    x = 66.16

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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.