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Finding the Fourth Proportional to 110.16, 165.15 and 96.93

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Solution

The fourth proportional to 110.16, 165.15 and 96.93 is: 145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.16 : 165.15 = 96.93 : x
  2. Step 2: Convert to fraction form
    110.16/165.15 = 96.93/x
  3. Step 3: Cross multiply
    110.16x = 165.15 × 96.93
  4. Step 4: Simplify right side
    110.16x = 16,007.99
  5. Step 5: Solve for x
    x = 16,007.99/110.16
  6. Step 6: Final answer
    x = 145.32

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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.