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Finding the Fourth Proportional to 105.02, 157.60 and 44.14

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Solution

The fourth proportional to 105.02, 157.60 and 44.14 is: 66.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.02 : 157.60 = 44.14 : x
  2. Step 2: Convert to fraction form
    105.02/157.60 = 44.14/x
  3. Step 3: Cross multiply
    105.02x = 157.60 × 44.14
  4. Step 4: Simplify right side
    105.02x = 6,956.46
  5. Step 5: Solve for x
    x = 6,956.46/105.02
  6. Step 6: Final answer
    x = 66.24

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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.