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Finding the Fourth Proportional to 160.73, 241.07 and 52.50

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Solution

The fourth proportional to 160.73, 241.07 and 52.50 is: 78.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.73 : 241.07 = 52.50 : x
  2. Step 2: Convert to fraction form
    160.73/241.07 = 52.50/x
  3. Step 3: Cross multiply
    160.73x = 241.07 × 52.50
  4. Step 4: Simplify right side
    160.73x = 12,655.91
  5. Step 5: Solve for x
    x = 12,655.91/160.73
  6. Step 6: Final answer
    x = 78.74

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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.