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Finding the Fourth Proportional to 105.04, 157.52 and 44.16

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Solution

The fourth proportional to 105.04, 157.52 and 44.16 is: 66.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105.04 : 157.52 = 44.16 : x
  2. Step 2: Convert to fraction form
    105.04/157.52 = 44.16/x
  3. Step 3: Cross multiply
    105.04x = 157.52 × 44.16
  4. Step 4: Simplify right side
    105.04x = 6,956.19
  5. Step 5: Solve for x
    x = 6,956.19/105.04
  6. Step 6: Final answer
    x = 66.23

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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.