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Finding the Fourth Proportional to 160.88, 241.29 and 52.64

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Solution

The fourth proportional to 160.88, 241.29 and 52.64 is: 78.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.88 : 241.29 = 52.64 : x
  2. Step 2: Convert to fraction form
    160.88/241.29 = 52.64/x
  3. Step 3: Cross multiply
    160.88x = 241.29 × 52.64
  4. Step 4: Simplify right side
    160.88x = 12,702.11
  5. Step 5: Solve for x
    x = 12,702.11/160.88
  6. Step 6: Final answer
    x = 78.96

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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.