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Finding the Fourth Proportional to 96.23, 143.99 and 63.17

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Solution

The fourth proportional to 96.23, 143.99 and 63.17 is: 94.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.23 : 143.99 = 63.17 : x
  2. Step 2: Convert to fraction form
    96.23/143.99 = 63.17/x
  3. Step 3: Cross multiply
    96.23x = 143.99 × 63.17
  4. Step 4: Simplify right side
    96.23x = 9,094.81
  5. Step 5: Solve for x
    x = 9,094.81/96.23
  6. Step 6: Final answer
    x = 94.52

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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.