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Finding the Fourth Proportional to 96.03, 143.37 and 95.31

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Solution

The fourth proportional to 96.03, 143.37 and 95.31 is: 142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.03 : 143.37 = 95.31 : x
  2. Step 2: Convert to fraction form
    96.03/143.37 = 95.31/x
  3. Step 3: Cross multiply
    96.03x = 143.37 × 95.31
  4. Step 4: Simplify right side
    96.03x = 13,664.59
  5. Step 5: Solve for x
    x = 13,664.59/96.03
  6. Step 6: Final answer
    x = 142.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.