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Finding the Fourth Proportional to 160.84, 241.08 and 118

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Solution

The fourth proportional to 160.84, 241.08 and 118 is: 176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.84 : 241.08 = 118 : x
  2. Step 2: Convert to fraction form
    160.84/241.08 = 118/x
  3. Step 3: Cross multiply
    160.84x = 241.08 × 118
  4. Step 4: Simplify right side
    160.84x = 28,447.44
  5. Step 5: Solve for x
    x = 28,447.44/160.84
  6. Step 6: Final answer
    x = 176.87

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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.