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Finding the Fourth Proportional to 96.10, 143.31 and 95.23

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Solution

The fourth proportional to 96.10, 143.31 and 95.23 is: 142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.10 : 143.31 = 95.23 : x
  2. Step 2: Convert to fraction form
    96.10/143.31 = 95.23/x
  3. Step 3: Cross multiply
    96.10x = 143.31 × 95.23
  4. Step 4: Simplify right side
    96.10x = 13,647.41
  5. Step 5: Solve for x
    x = 13,647.41/96.10
  6. Step 6: Final answer
    x = 142.01

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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.