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Finding the Fourth Proportional to 160.96, 241.46 and 52.77

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Solution

The fourth proportional to 160.96, 241.46 and 52.77 is: 79.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.96 : 241.46 = 52.77 : x
  2. Step 2: Convert to fraction form
    160.96/241.46 = 52.77/x
  3. Step 3: Cross multiply
    160.96x = 241.46 × 52.77
  4. Step 4: Simplify right side
    160.96x = 12,741.58
  5. Step 5: Solve for x
    x = 12,741.58/160.96
  6. Step 6: Final answer
    x = 79.16

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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.