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Finding the Fourth Proportional to 134.88, 202.43 and 96.46

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Solution

The fourth proportional to 134.88, 202.43 and 96.46 is: 144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.88 : 202.43 = 96.46 : x
  2. Step 2: Convert to fraction form
    134.88/202.43 = 96.46/x
  3. Step 3: Cross multiply
    134.88x = 202.43 × 96.46
  4. Step 4: Simplify right side
    134.88x = 19,525.39
  5. Step 5: Solve for x
    x = 19,525.39/134.88
  6. Step 6: Final answer
    x = 144.76

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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.