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Finding the Fourth Proportional to 160.84, 241.01 and 74.12

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Solution

The fourth proportional to 160.84, 241.01 and 74.12 is: 111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.84 : 241.01 = 74.12 : x
  2. Step 2: Convert to fraction form
    160.84/241.01 = 74.12/x
  3. Step 3: Cross multiply
    160.84x = 241.01 × 74.12
  4. Step 4: Simplify right side
    160.84x = 17,863.66
  5. Step 5: Solve for x
    x = 17,863.66/160.84
  6. Step 6: Final answer
    x = 111.06

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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.