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Finding the Fourth Proportional to 106.55, 160.01 and 96.32

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Solution

The fourth proportional to 106.55, 160.01 and 96.32 is: 144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.55 : 160.01 = 96.32 : x
  2. Step 2: Convert to fraction form
    106.55/160.01 = 96.32/x
  3. Step 3: Cross multiply
    106.55x = 160.01 × 96.32
  4. Step 4: Simplify right side
    106.55x = 15,410.88
  5. Step 5: Solve for x
    x = 15,410.88/106.55
  6. Step 6: Final answer
    x = 144.64

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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.