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Finding the Fourth Proportional to 104.99, 157.33 and 44.03

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Solution

The fourth proportional to 104.99, 157.33 and 44.03 is: 65.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.99 : 157.33 = 44.03 : x
  2. Step 2: Convert to fraction form
    104.99/157.33 = 44.03/x
  3. Step 3: Cross multiply
    104.99x = 157.33 × 44.03
  4. Step 4: Simplify right side
    104.99x = 6,927.69
  5. Step 5: Solve for x
    x = 6,927.69/104.99
  6. Step 6: Final answer
    x = 65.99

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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.