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Finding the Fourth Proportional to 105.04, 157.54 and 32.88

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Solution

The fourth proportional to 105.04, 157.54 and 32.88 is: 49.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.04 : 157.54 = 32.88 : x
  2. Step 2: Convert to fraction form
    105.04/157.54 = 32.88/x
  3. Step 3: Cross multiply
    105.04x = 157.54 × 32.88
  4. Step 4: Simplify right side
    105.04x = 5,179.92
  5. Step 5: Solve for x
    x = 5,179.92/105.04
  6. Step 6: Final answer
    x = 49.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.