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Finding the Fourth Proportional to 99.92, 150.14 and 95.87

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Solution

The fourth proportional to 99.92, 150.14 and 95.87 is: 144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.92 : 150.14 = 95.87 : x
  2. Step 2: Convert to fraction form
    99.92/150.14 = 95.87/x
  3. Step 3: Cross multiply
    99.92x = 150.14 × 95.87
  4. Step 4: Simplify right side
    99.92x = 14,393.44
  5. Step 5: Solve for x
    x = 14,393.44/99.92
  6. Step 6: Final answer
    x = 144.05

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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.