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Finding the Fourth Proportional to 96.39, 144.99 and 95.58

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Solution

The fourth proportional to 96.39, 144.99 and 95.58 is: 143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.39 : 144.99 = 95.58 : x
  2. Step 2: Convert to fraction form
    96.39/144.99 = 95.58/x
  3. Step 3: Cross multiply
    96.39x = 144.99 × 95.58
  4. Step 4: Simplify right side
    96.39x = 13,858.14
  5. Step 5: Solve for x
    x = 13,858.14/96.39
  6. Step 6: Final answer
    x = 143.77

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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.