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Finding the Fourth Proportional to 95.43, 143.16 and 44.10

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Solution

The fourth proportional to 95.43, 143.16 and 44.10 is: 66.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.43 : 143.16 = 44.10 : x
  2. Step 2: Convert to fraction form
    95.43/143.16 = 44.10/x
  3. Step 3: Cross multiply
    95.43x = 143.16 × 44.10
  4. Step 4: Simplify right side
    95.43x = 6,313.59
  5. Step 5: Solve for x
    x = 6,313.59/95.43
  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.