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Finding the Fourth Proportional to 99.96, 150.10 and 96.28

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Solution

The fourth proportional to 99.96, 150.10 and 96.28 is: 144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.96 : 150.10 = 96.28 : x
  2. Step 2: Convert to fraction form
    99.96/150.10 = 96.28/x
  3. Step 3: Cross multiply
    99.96x = 150.10 × 96.28
  4. Step 4: Simplify right side
    99.96x = 14,451.63
  5. Step 5: Solve for x
    x = 14,451.63/99.96
  6. Step 6: Final answer
    x = 144.57

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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.