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Finding the Fourth Proportional to 96.02, 144.04 and 55.46

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Solution

The fourth proportional to 96.02, 144.04 and 55.46 is: 83.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.02 : 144.04 = 55.46 : x
  2. Step 2: Convert to fraction form
    96.02/144.04 = 55.46/x
  3. Step 3: Cross multiply
    96.02x = 144.04 × 55.46
  4. Step 4: Simplify right side
    96.02x = 7,988.46
  5. Step 5: Solve for x
    x = 7,988.46/96.02
  6. Step 6: Final answer
    x = 83.20

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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.